Soul Calibur even the button masher and noobs can win. so that's out of my vote.

For fighting, I vote for SFIV and Tekken 6 coz i believe these games really test our skills. Button mashers will beg for mercy!

For sports, it should be winning eleven(PES) coz this is the most popular and most known game played by most people. but Fifa 10 is ok i guess. but i bet PES will attract more people.

i suggest that u change KOF with Tekken 6. that would be better.

for FIFA, make it FIFA 10.

wow rock band? I haven't played much on rockband but if u make it guitar hero, i'm in! btw, what's the requirement for this game? full band? single instrument only? still not clear on the rules.

shooter, u can make COD4 or Killzone would be interesting.

and for the racing. i suggest racing sim like Forza, GT or NFS: shift would be a better choice.