I fired up the game a while ago, to have a drive around Oahu. Played on PS3, but due to getting sent an American version (in the UK!) getting the DLC proved to be mildly frustrating when I first got the game.
I must say, when I figured out the original handling on the 360 version I quite enjoyed the challenge of some of the more "difficult" cars.
I did make good use of the money glitch so have every house and every car (at least once) on 360 and PS3. Made a silly mistake on the 360 and somehow sold my 750 mile F40!
I did overuse the Used Car Showroom on one PS3 account (making money on tuned cars) and could no longer buy anything!
Pity they were unable to correct the Lotus Evora they badly updated.