Well, as was said, EQ2 has the best and biggest gfx settings ever seen in a game. You can configure absolutely everything. Everyone can get it to run smothly.
In my case, I got 3.4Ghz, 1024 DDR PC4000, GF FX 6800 U overclocked. I run normaly on High quality when I run around in the big cities and Very high quality when I'm outside in the open. Sometimes I even run Ultra high, but it's just for show(and a GREAT show it is!). It even says in the settings that no existing computer right now is able to run it. In some areas like very foggy swamp forests I need to set it down to Balanced, which is the recommended medium gfx quality overall.
But yes, for those with less then a stellar rig, they will not run this game with all the bells and whistles.
And to really appreciate the graphics you need to see it in motion. Screens dont do it justice.
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Always expect the worst and you will never be dissapointed