Grand Theft Auto iv cheats in xbox360?

These might be of interest:

Some GTA IV cheat codes:

Health and armour: 362-555-0100

Health and weaponry: 482-555-0100

Advanced weaponry: 486-555-0100

Lose wanted levels: 267-555-0100

Change weather: 468-555-0100

Annihilator: 359-555-0100

NRG-900: 625-555-0100

Sanchez: 625-555-0150

FIB Buffalo: 227-555-0100

Super GT: 227-555-0168

Jetmax speed boat: 938-555-0100