At the first page of the setup process you type:
[Fn], E, [Fn], E, B, L, U, R, O, F, F
On the Charm the [Fn] is substituted by [ALT]
This stops the setup process and lets you access the phone. I have no idea what consequenses this has, but at least the phone is usable.
Hope some of you are helped by this.
I recently imported a T-Mobile USA for my girlfriend to Holland. Unlocking was easy and the phone works perfectly. The one problem I had was the stupid Motoblur setup. I have been unable to create new Motoblur account on the phone as well as on the Motorola website. I have no idea what could be wrong. Since you can't use the phone without a Motoblur account the thing was completely useless. I have been searching for day's and finally found this on a T-Mobile forumpost, who got is from androidforums.com: