How to Jailbreak Your iPhone Using JailbreakMe[4.0.0, 4.0.1]

[iCrank]

I'm getting my I-Phone 4 in a couple of days. I'm not sure what version it cones with. I don't want to crash my new phone. How easy is this to do?

It's easy. Depending on how good you can follow instructions. Most problems with jail breaking comes from human error.