I've compiled E3 info about games that will only appear on the PC. They are...
APB (EA)
http://www.youtube.com/watch?v=dPR7csznfw8
Battle of the Immortals (Perfect World Entertainment)
http://www.youtube.com/watch?v=qNxM8qKP-Ew
Battlestar Galactica Online (BigPoint)
http://www.youtube.com/watch?v=uidlFHQvEtg
Commander: Conquest of the Americas (Paradox Interactive)
http://www.youtube.com/watch?v=5RjpXajTCso
Darkensang: Phileasson's Secret (DTP)
http://pc.ign.com/dor/objects/72794/drakensang-phileassons-secret/images/e3-2010-drakensang-phileasson-20100615083141742.html
DIablo 3 (Blizzard)
http://www.youtube.com/watch?v=su33eKsAtPA
Dragon Nest (Nexon)
http://www.youtube.com/watch?v=mdwuiYhmUwM
Dungeon Fighter Online (Nexon)
http://www.youtube.com/watch?v=hwZaNgkYKMg
End of Nations (Trion Worlds)
http://www.youtube.com/watch?v=2JRkogAL3Uo
Forsaken World (Perfect World Entertainment)
http://www.youtube.com/watch?v=BQ9elY7t-Vo
Gray Matter (Anaconda)
http://www.youtube.com/watch?v=tOtj9HFE7R0
Heroes of Three Kingdoms (Perfect World Entertainment)
http://www.youtube.com/watch?v=nToDXkr1fbw
Jumpgate Evolution (Codemasters)
http://www.youtube.com/watch?v=oDIj09VgGzk
Lionheart: King's Crusade (Paradox Interactive)
http://www.youtube.com/watch?v=aUeDL3Gm-8o
Marvel Super Hero Squad Online (Gazillion)
http://www.youtube.com/watch?v=gZdrxnvZNj0
Rift: Planes of Telara (Trion Worlds)
http://www.youtube.com/watch?v=9uCsZDace6o
Ship Simulator 2010: Extremes (Paradox Interactive)
http://www.youtube.com/watch?v=EyH31uwJRmc
Sid Meier's Civilization V (2K Games)
http://www.youtube.com/watch?v=B2EDj8yfMoQ
Star Wars: The Old Republic (LucasArts)
http://www.youtube.com/watch?v=HBGvAJ6-SsY
Starcraft 2 (Blizzard)
http://www.youtube.com/watch?v=XUxF4XWtj4g
Tera (En Masse Entertainment)
http://www.youtube.com/watch?v=J1A_p8nzagQ
Trine 2 (Atlus)
http://www.youtube.com/watch?v=4xz5Ue8VJKw
Victoria 2 (Paradox Interactive)
http://www.youtube.com/watch?v=i8ChuNCY30Y
Vindictus (PC)
http://www.youtube.com/watch?v=tM2yfu_IqV4
Warhammer 40,000: Dark Millennium Online (THQ)
http://www.youtube.com/watch?v=hHu4Na0lsd0
WWE SmackDown vs. Raw Online (THQ)
http://www.youtube.com/watch?v=yjDFdXd_9dQ
The Witcher 2: Assassins of Kings (CD Project)
http://www.youtube.com/watch?v=2yqEUHc9HFo
Wolrd of Warcraft: Cataclysm (Blizzard)
http://www.youtube.com/watch#!v=LO3u3TzOwqo&feature=fvw

Game: Commander: Conquest of the Americas
Release date: To Be Announced
Platform(s): PC,Mac OS X, PlayStation 3 and Xbox 360
Publisher: Paradox Interactive
Developer(s): Nitro Games
:( Weak im hoping that it is better on PC then the consoles....

Only thing I'm interested in is Gray Matter. :(
PS. Trine 2 isn't exclusive, just only announced for PC so far. Most likely it will be on PSN/XBL too.

PC games tend to be announced at Gamescom these days, not E3. Even many console games are announced at Tokyo Game Show rather than E3.

That's VERY fucking exclusive, bastards

why there are so many mmo games :(

Meh, Shooters, RPGs, MMOs, nothing good.
Only one which stood out were Gray Matter and Vindictus.

From what I've read it's crap anyway. The review embargo isn't encouraging either.

Not the point, the fact that an entire continent has been excluded because its inconvenient for them is a nasty precedent. Fortunately its also stupid and very few others will follow suit since they'd get more moeny by selling a crap product than not selling it

Mostly because it would be obscenely expensive to run it in Oz. As in: subscription-fee-justifyingly expensive. They probably will bring it to Australia if it takes off elsewhere. But that sounds unlikely in a driving and shooting game that's not very good at either.

Don't worry, you're not missing much. I was in the beta, and I have no intention of buying it.

Makes sense...bigger in Europe. Thanks for reassurance. :)
Lots of games good and bad have embargoes.

True, but I've never heard a publisher embargoed reviews until ten days AFTER public release.

Until after the release date? That's not encouraging. The game might well be good in spite of that, but it's still a bad practise. If the game isn't ready to be reviewed then it's not ready to be released.

Nice list, thanks. I can only hope maybe one of the PC titles might be DRM free, or else it is wait years to see some on GOG! :o)