Is it worth buying? It looks cool but in order for me to get maximum performance out of it i think i might have to upgrade my computer... So, is it worth it, or should I just wait until Half-Life 2 is FINALLY released? I'll still probably have to upgrade my computer for half life 2 but if doom3 isnt totally worth the money than ill jsut save my fifty dollars and possibly buy it a year or two from now. what do you think?