Check this thread out at Crackberry.
http://forums.crackberry.com/f52/random-resets-188938/
I didn't have to time to read through it, but it sounds like it is a discussion about your current problem Nufy.
Edit: Looks like your Curve is screwed. Take it back to Telus. Tell them you have done the battery pull and you still have problems. Looks like they will have to replace it.