o2, your arguement about aion falls apart. In Revelation, it is translated to mean "eternity" or "for ever and ever" every single time!
There are fourteen verses that use "aion" in Revelation:
Re 1:6 And hath made us kings and priests unto God and his Father; to him be glory and dominion for ever and ever. Amen.
Re 1:18 I am he that liveth, and was dead; and, behold, I am alive for ever more, Amen; and have the keys of hell and of death.
Re 4:9 And when those beasts give glory and honour and thanks to him that sat on the throne, who liveth for ever and ever,
Re 4:10 The four and twenty elders fall down before him that sat on the throne, and worship him that liveth for ever and ever, and cast their crowns before the throne, saying,
Re 5:13 And every creature which is in heaven, and on the earth, and under the earth, and such as are in the sea, and all that are in them, heard I saying, Blessing, and honour, and glory, and power, be unto him that sitteth upon the throne, and unto the Lamb for ever and ever.
Re 5:14 And the four beasts said, Amen. And the four and twenty elders fell down and worshipped him that liveth for ever and ever.
Re 7:12 Saying, Amen: Blessing, and glory, and wisdom, and thanksgiving, and honour, and power, and might, be unto our God for ever and ever. Amen.
Re 10:6 And sware by him that liveth for ever and ever, who created heaven, and the things that therein are, and the earth, and the things that therein are, and the sea, and the things which are therein, that there should be time no longer:
Re 11:15 And the seventh angel sounded; and there were great voices in heaven, saying, The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever.
Re 14:11 And the smoke of their torment ascendeth up for ever and ever: and they have no rest day nor night, who worship the beast and his im age, and whoso ever receiveth the mark of his name.
Re 15:7 And one of the four beasts gave unto the seven angels seven golden vials full of the wrath of God, who liveth for ever and ever.
Re 19:3 And again they said, Alleluia. And her smoke rose up for ever and ever.
Re 20:10 And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet are, and shall be tormented day and night for ever and ever.
Re 22:5 And there shall be no night there; and they need no candle, neither light of the sun; for the Lord God giveth them light: and they shall reign for ever and ever.