Classic server would be great (1.7-3.0), many people are unhappy how the later patches took the game in completely opposite direction and there is good chance it would not only bring back many past players but attract official players fed up with gamingo and looking to re-experience the golden era of archeage in less money hungry enviroment
also typically legacy is used to refer to old and discontinued/sufficiently different versions of game, so in a way Hindsight is correct, we moved away from Legacy to catch up with current state