I tried to find the discussions about the WSoD (White Screen of Death) to link for you, but I'm afraid most of it is buried in the 35 pages of the "Ermine Experiences" thread (which I'm sure you have already started reading.) I seem to recall that someone discovered this is an Android/Froyo problem, not just an eDGe problem, if that's any help.

You are not alone . . . . Reading about the white screen problem is one of the reasons it took me a long time to decide to try the beta. For me, no problems (knock wood).

Good luck! I'm sure you'll work it out, if you haven't already!