I dont like the arena idea at all, as far as the GW, I go back and forth on whether I like it or not. The biggest issue is, why have different realms if everything starts getting combined? Our server, server 2, needs a deep cleaning of inactives before we start combining things. We dont have a clear view of who is actually playing or not. I am in one of the top guilds and, whereas this would benefit me in game, most likely, I think combining all the guild wars might kill server 2.
I really do have mixed emotions about guild warfare but the arena shouldn't be touched and our ever increasing inactive list needs to be addressed and maybe some new players influxed before we start changing things for just a few to dominate.