What company has done the most for us now is what we should be asking. Of course that will still come down to everyones own perspective on what they think the best company is.
Microsoft may be a new player, but dammit give them credit for putting the effort in. If they weren't around Sony might of only made ps3 so it was more powerful than Wii and not 360, hmmmmmmm. I still don't think we would be better off with any one of them gone.
On a side note, too many new posters using Deathnote avatars. Mine doesn't feel original anymore except for the fact it's a shinigami. Still have Zidane though.