http://www.gameformulatruck.com/en/
Reiza are the makers of Game Stock Car 2012{easily one of the best sims ever made, and has 50+tracks}......and now they're on the verge of releasing what they call Formula Truck....big assed racing prime movers{semi's}.
Pre-order price is $25{10% discount}...
http://www.assettocorsa.net/?lang=en
This is the next sim title from Kunos, makers of Nerkar pro and Ferrari Virtual Academy{I have both games}, but this is by far their most comprehensive game to date that includes laser scanned tracks and mod friendly approach.
If you own Netkar, you'll...
http://www.virtualr.net/simbin-announces-race-injection
Simbin are the best non subscription based PC racing sim IMO, and it looks they're releasing a package that contains all their expansion packs from this yr.
You can use a xbox game pad on your PC to play this game, but a wheel like a...
http://au.gamespot.com/xbox360/driving/f1-2011/review.html?tag=updates%3Beditor%3Ball%3Btitle%3B9
http://www.youtube.com/watch?v=DUBY1vbtLdo&feature=player_embedded
Gamespot video review.