I'll stick with the Pre-mill.
As far as Gentry and the postmellinnial/preterist stuff, there is far too much historical problems. Not to mention Biblical.
Here is my research on the early church - anti-preterist
Only with a possible exception of Clement, no one in the first 400 years of church history had a clue that the Book of Revelation had been written during Nero's reign. Nor did anyone see the fall of Jerusalem as a fulfillment of this book. Everyone saw the tribulation and the coming anti-Christ as future.
John was exiled on Patmos under Domitian (8)
Irenaeus (115-202) — Against Heresies, bk. V, Ch. 30
Hegesippus (~150) — Church History, bk. III, ch. 17-18
Apocryphal (150-200) — Acts of John
Hippolytus (170-236) — On the End of the World, 49; On Christ and Antichrist, 36
Victorinus (?-303) — Commentary on the Apocalypse, ch. 10 and 17
Eusebius (265-340) — Church History, bk. III, ch. 17-18 and 23; bk. V, ch. 8
Jerome (342-420) — Against Jovinianus, bk. I, 26; De Viris Illustribus (On Illustrious Men), ch. 9
Sulpitius Severus (363-420) — Sacred History, bk. II, ch. 31
John's exile with questions left
Clement of Alexandria (150-220) — (Tyrant - Domitian??) Who is the Rich Man That Shall Be Saved?, XLII (see Eusebius, Church History, bk. III, ch. 23), but also see Stormata or Miscellanies, bk. VII, ch. XVII and bk.
He does indicate in “Who is the Rich Man That Shall Be Saved?” that Christ's visible return is future:
“Let one believe these things, and the disciples of God, and God, who is surety, the Prophecies, the Gospels, the Apostolic words; living in accordance with them, and lending his ears, and practicing the deeds, he shall at his decease see the end and demonstration of the truths taught. FOR HE WHO IN THIS WORLD WELCOMES THE ANGEL OF PENITENCE will not repent at the time that he leaves the body, NOR BE ASHAMED WHEN HE SEES THE SAVIOUR APPROACHING IN HIS GLORY AND WITH HIS ARMY. He fears not the fire.”
Tertullian (160-225) —
The Prescription against Heretics, ch. 36
Antichrist and/or the Tribulation are Future (18)
Justin Martyr (100-165) — Dialogue with Trypho, ch. 110
Irenaeus (115-202) — Against Heresies, bk. V, Ch. 25, 28 and 30
Hermas (~160) — The Pastor or The Shepherd, bk. I, vision 4
Tertullian (160-225) — The Prescription against Heretics, ch. 4
Hippolytus (170-236) — On the End of the World and On Christ and Antichrist
Origen (185-253) — Contra Celsus, bk. VI, ch. 45-46, 79
Cyprian (?-258) — Epistles of Cyprian, Epistle 54, sect. 19
Victorinus (?-303) — Commentary on the Apocalypse, ch. 6.5, 7.2, 9.13-14, 13.13, 20.1-3
Rufinus (written 307-309) — Commentary of the Apostle's Creed, sect. 34
Lactantius (240?-320?) — Divine Institutes, Book VII (Of a Happy Life), ch. 19
Alexander of Alexandria (?-326) — Epistles of Arianism, 2.1
Athanasius (296-373) — History of the Arians, Part VIII, sect. 70-71, 78, 80
Cyril (315-386) — Catechetical Lectures, Lecture 15, sect. 9-12, 17-18, 33
Gregory Nazianzen (325-389) — Orations, Oration 21, sect. 21
Gregory of Nyssa (330-394) — Against Eunomius, bk. XI, sect. 4
John Chrysostom (374-407) — Homily 4
Sulpitius Severus (363-420) — Sacred History, bk. 2, ch. 7, 28, 33
St. Augustine (354-430) — City of God, bk. XVIII, ch. 53 and bk. XXI, ch. 26
Thousand Year Reign (6)
Fragments of Papias (60's-140?) — Fragment VI (from Eusebius, Hist. Eccl., III, 39); also see Jerome's De Viris Illustribus (On Illustrious Men), ch. 18
Justin Martyr (100-165) — Dialogue with Trypho, ch. 80-81
Irenaeus (115-202) — Against Heresies, bk. V, Ch. 32
Victorinus (?-303) — On the Creation of the World and Commentary on the Apocalypse, ch. 20.1-3
Methodius (?-311) — Banquet of the Ten Virgins, Discourse 9, ch. 1
Lactantius (240?-320?) — Divine Institutes, Book VII (Of a Happy Life), ch. 14, 22, 24 and 26
Students of John
Some claim that John was really banished under Nero and that Irenaeus got the name wrong. Nero ruled form 54 until his death in 68 A.D., so John would have been banished to Patmos in A.D. 68 and released that same year (the fourteenth year).
Polycarp was a hearer of John and was born by about 69 A.D. Papias was a companion of Polycarp and was also a hearer of John. He may have been born a couple of years earlier. It only makes sense that to be hearers/students of John, that they would have been at least teenagers or in their twenties. Tertullian states that the register in Smyrna has John ordaining Polycarp as bishop (The Prescription Against Heretics, ch. 32). This of course would conflict with the timing of John's death, if Nero was the Emperor in question. If John died within 5 years of Nero's death, the two students would have only been about 4-7 yrs. old. In other words John would have had to live long after Nero in order to have these two as students. Church tradition says that John died not long after his release from Patmos.
Since Irenaeus has John dying within a few years of the death of Domitian and Clement of Alexandria has John a very old man after the death of “the tyrant,” it seems much more reasonable that both spoke of Domitian. This makes both hearers around thirty years old when John died. This gives them plenty of time to hear the teachings of John.
Irenaeus has him dying in the early part of Trajan's reign (98-117), probably by the year 100 (A. H. Bk. II, ch. 22. 5).
Since John's name usually comes second, it is believed that he was the younger brother of James. They both worked for their father, so I presume them to be in their twenties with John being 25 or less. This would mean that John was 95 yrs. old or less when he died (in about the year 100), not 100 plus as some ridicule.
Hippolytus — end of the world
http://www.newadvent.org/fathers/0504.htm
Tertullian — The Prescription against Heretics, ch. 32
http://www.newadvent.org/fathers/0311.htm