Current price of max payne 3 in the steam sale is £4.49. this will save you £1.29. Be mindful that you need a UK address as an invoice to be qualified for this.
Just finished downloading this and it seem that you get the classic max payne DLC, Pill bottle item DLC and special edition DLC with it
Activation servers on rockstar's end are having problems. people can't activate their game. Keep this is mind before you buy (i wish i knew that before buying)
HOW TO FIX ACTIVATION ISSUE
1 run the game, wait for rockstar social club to log you in.
2 press activate on key
3 Alt+Tab and run cmd (comand prompt)
4 write ipconfig /flushdns