Codemasters have informed Motorsportgaming.com that the expected minimum system requirements to play Toca Race Driver on the PC will be a 700 Mhz CPU, 128Mb RAM and 32Mb graphics card. So it's going to be pretty hefty! However, Codemasters have said these are not final and could change.
And, GameFaction.com have got word that the Xbox version of the game will support Xbox Live. We'll keep you updated on the development of this game.