Hughmc, you are debating a "what if". For you you are fine with just the PS3 for all of your gaming, movie watching needs. However, reality is now showing that HD DVD is here for much longer, meaning no Universal (and now most Paramount/Dreamworks) for HD and many 360 "exclusive" games to play. I don't see how you can discount all the "exclusives" when there looks to be no end in sight to them.
I am not saying HD DVD is better, but I am saying that so far Blu Ray is not