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If your system can handle EQ1, it can likely handle WoW. The game scales itself to your system, and does not penalize you by withholding character models if you fall below a memory limit. Besides... ...
Fast but important question for those going to WoW,especially where guild presence will be established: Alliance or Horde? Current Mystic Crusaders plan is Alliance.
I am another that will be moving to WoW. I will be keeping my EQ account for the month that comes "free" with the retail version of WoW, but I do expect to cancel after that. A chapter of Mystic Cru ...