I assume that a Hardcore gamer wants more than 1 game. Amount of games is more important than Quality. Thats not true however quality is subjective.
FPS genre Microsoft wins they are also getting lots of PC shooters.
Microsoft Bioshock, Halo 3
Sony Killzone 2, Resistence 2
Tactical genre Sony wins most games are coming from Ubisoft and that's 3rd party
Microsoft Splinter Cell
Sony Socom MGS4
RTS genre Microsoft wins mainly because of PC ports.
Microsoft Halo Wars, C&C 3
Sony C&C PS1 8)
Platform genre Sony wins Rare just isn't enough against Naughty Dog & Insomniac
Microsoft Banjo 3, Kameo
Sony Rachet, Jak
WRPG genre Microsoft wins although Bioware went to EA.
Microsoft Mass Effect, Fable
Sony Folklore
ERPG genre Sony wins mainly because it's more succesfull in Japan.
Microsoft Blue Dragon, Lost Odyssey
Sony FF XIII, WKC
Racing genre Sony wins GT5 > Forza 2 and Sony has more sub genres. Microsoft depends on 3rd Party.
Microsoft PGR4, Forza 2
Sony GT5, Motorstorm, Wipeout
Party genre Sony wins however is this hardcore.
Microsoft Scene it
Sony Singstar, Buzz, Eyetoy Games.
Fighting genre I think Sony wins this one cause of Japan
Microsoft DOA4
Sony Tekken 6, Guilty Gear Successor
Sports genre Sony wins due to making sports games.
Microsoft Table Tennis
Sony Hotshots Golf, MLB
Adventure genre Sony wins tides could turn fast cause it's niche PC ports favor 360.
Microsoft Omnikrom 2
Sony Heavy Rain, Omnikrom
Action/adventure Sony wins it's pretty close but I think Sony will offer more in the future (Cellius)
Microsoft Ninja Gaiden, Too Human,
Sony Heavenly Sword, Uncharted, Eight Days
