Yeah, it seems there will be no planes and I heard there weren't gonna be bycycles either. But there will be 6 types of motorcycles and I've heard there will still be helicopters involved.
Aimed for the 29th of April. 33 days away. GTA IV : Game.co.uk Helicopters and Motorbikes are in, cars obv too. Bicycles and planes are out, dont really need it in this GTA IV. (tested it at rockstar) xD