If you know all of that and you've done this before than it shouldn't be much trouble. I think acefire just wanted to clarify that any modding or installing any custom roms or software of any kind is always at your own risk. Other than that, it isn't any more difficult than jailbreaking ur iphone or installing a custom rom on your android device.
Have a release in WP7 section? >> If I have to ask you more than 3 times to fix your release, it will be deleted!