I never actually played Midnight Club, but I received a e-mail from Pizza Hut talking about $10 mail in rebate in celebration of some new downloadable content to the game. It seems it will work on either version of the game, so mail away! Remember, this is only valid until March 31st!
http://www.rockstargames.com/midnightclubLA/pizzahutrebate/
Direct link to rebate form: http://www.rockstargames.com/midnightclubLA/pizzahutrebate/rebateform.pdf
http://www.rockstargames.com/midnightclubLA/pizzahutrebate/
Direct link to rebate form: http://www.rockstargames.com/midnightclubLA/pizzahutrebate/rebateform.pdf