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I will be comparing most things to WoW because it really has changed so much about the MMOs previous to it that they're all copying it now. I mean I remember Everquest being played always in First person and you just stood still and hit a button every 20 seconds, it was just that slow back when I played it. Also you leveled up purely on grinding and World of Warcraft was really the first MMO to change all that and make it so you can go through to the last level purely on quests. I know games like Everquest 2 (which launched like a week or so earlier) were going that way but you still had to grind a lot as there weren't enough quests.
For the vast majority people do not like MMOs because of the way they play with the World of Warcraft like combat. I speak to most real world people and they hate how slow it is and how it isn't based on twitch based skill. Also things like Subscriptions put every single of my friends off, they just wont pay a subscription to play a game, even though they pay an Xbox live fee.... go figure
From what I've played at events like Gamescom and from what I've seen and heard from podcasts who have actually had lots of hands on time, SWTOR plays pretty much like WoW. That is an obvious thing for anyone to see, however Bioware keep making out it'll big this massive change due to storytelling and it really wont be.
SWTOR is WoW but with a few differences Bioware are known for and anyone who tries to argue different is just blind. We get this same whole thing on this forum where people defend a game as just lie about it because they're caught up in the hype. Sorry to tell you but the first thing I did in SWTOR (I'm not in any beta, just played at events in Europe) was a kill 10 rats like quest, I had a look at the talent trees, the UI was very familar, the combat felt a lot like a poorer version of WoW and played a Battleground lol.
I'm not slagging SWTOR, it'll be a very good game and that's fine, however it is not that next generation of MMOs that a lot of us want on these forums. If you're sick of WoW like MMOs then wait for like Planetside 2 or something, if you buy this game then you'll most likely be on these forums complaining that it hasn't changed the genre and you're sick of MMOs all over again.