any GTA4 players out here ?

[frenzy1]

I've done the first missions so far, but I just want to explore the city.
Anyone has flown a heli yet ?? It's amazing !!
Here's some cheat codes, to spawn one :

Cell Phone Passwords
At any time during the game, pull out Niko's phone and dial these numbers for the desired effect.

Please note that cheats will affect missions.

Password Effect
468-555-0100 Change weather
486-555-0150 Get a different selection of weapons
486-555-0100 Get a selection of weapons
267-555-0150 Raise wanted level
267-555-0100 Remove wanted level
362-555-0100 Restore armour
482-555-0100 Restore health
227-555-0142 Spawn a Cognoscenti
227-555-0175 Spawn a Comet
938-555-0100 Spawn a Jetmax
625-555-0150 Spawn a Sanchez
227-555-0168 Spawn a SuperGT
227-555-0147 Spawn a Turismo
359-555-0100 Spawn an Annihiliator Police Helicopter
227-555-0100 Spawn an FIB Buffalo
625-555-0100 Spawn an NRG-900