GTA will launch on Ps3 and Xbox in spring, though Rockstar hasn’t announce if the game will be available on PC.
Amazon France has reputation of leaking information and once again they hinted on the release of GTA 5 PC version. The game is currently available for pre-order in Amazon France website.
At the time of writing there are 142,271 PC petition signatures (pleading with Rockstar to release a PC version of the game) and only 7,729 signatures still needed.
Amazon in France has listed GTA 5 PC version (pre-order)