WoW and Guildwars are very good,i play them both and love them both.
Knight Online=foreign people playing so you dont know what they're saying and Runescape is well...runescape..
He doesn't need water cooling lol,what are you talking about?Thats more so if you're on the extreme edge of overclocking.And watercooling for one thing is pointless.
They're all good..but instead of an E6600...maybe downgrade to an E6400 or E6300 cuz they are alot cheaper and provide nice performance and great overclocking.
I'll try and find an interview where they claimed or seemed to claim that Halo 2 would be the last one,and yes i know it was meant to be an RTS until it was scrapped.
Do you think its really worth it?Cuz if you do,then purchase one...don't ask people for their opinions...some might not want one and some do...really...its your decision.