j00 c4n all shut the f**k up.
Doom 3 will own everything! (Okay, not Half-Life 2 ;))
Anyway, the one that said that the SP will suck, I can only answer like this:
**** you b1atch :P .
You haven't seen a shit you n333uubb!11

. And don't tell me: D00D!!1111 I HAVE PLAYEEDD DOOM 3 ALFFFFAAA AND IT SUCXED!!111111