Yes, who needs apples when you have oranges!I who doesn't like either apples or oranges
(both figuratively and literally, I don't like apples that much, hate oranges, hate Burnout 2 and don't think I'd like Forza).
Tht's a nice list of exclusives, how likely is it to see the older half of those in stores now? There's loads of older games for the PS2 I'd like to have but that aren't sold anymore. I don't think the same is true for the GC, it has so few must-have titles I managed to get them all the first time 'round. From the games you listed I'd probably get all (if I can find them!) except for Halo 2, I hated Halo 1 enough already. And Mech Assault, if it's as pricey as reports suggest.
Besides, DoA 2 seems to be available for the PS2 as well, just with weaker graphics than DoA:U. But I guess it's time to get a few non-fighting games, last few titles I bought were King of Fighters, Tekken 5, Naruto 3 for GC and Jump Super Stars... And I can't even block effectively in any game! Guess that means I should forget about Ninja Gaiden, too.