Careful. Even if you're on the Simply Everything Plan you're still bound by the 5GB monthly limit. Not sure what you're doing overnight but if it's downloading then you might want to keep an eye on that.
I used PHM RegEdit which is free:
http://www.phm.lu/Products/PocketPC/RegEdit/
Looks like crap on the 800w but it gets the job done. You can go and pay for Resco Registry Editor but why pay if this one's free
