Download Via Gamespy... ..yuck
"GTA Vice Ultimate Trainer 2.0
This program made by LithJoe gives several excellent options:
New features in version 2 include:
Added Inf Run
Added check to ensure compatable version of the exe is being used
Added Garage editor with load/save options
Added 'hidden' commandline option to autostart gtavc run 'GTA Vice ultimate Trainer.exe hidden'
Fixed bug with decimal seperator on some machines being used as ',' now will always be '.'
Fixed bug that made built in game cheats echo outside the game
Fixed money cheat, give 10k every time its pressed now
All the built in cheats from the game are here
Freeze mission timer
Spawn the best cars in the game at you feet (hunter and others)
Jetpack function, no need to walk anymore
Flip car / lock doors / heavy car / damage proof car toggles are back
Teleporter is back too
change skin has been expanded to allow to change to more models
on screen cheat status
Visit LithJoe's website at http://trainer.gta-vice.com/
Personaly, I dont use it, but I'm told its good.