I have a first generation 8GB Iphone - just updated to 2.0 recently (mainly to play Super Monkey Ball )......

Just wondering, is there any programme which allows you to change your IMEI on software 2.0 or above (I know this is illegal in some countries but this is just for experimental reasons of course )?

I know Ziphone did with 1.1.4 but can't seem to find a 2.0 equivalent :S

Thanks people (+thanks for anyone that can help)