I wish I could say that I didn't have any issues, but alas. I will say that it in the annoying range rather than making the eDGe unusable. In fact, I now don't fire up my desktop very often.

I've noticed that my eDGe misclicks down most often. It can be as much as a third of the screen down. Misclicking to the left is the next most common for me, but it is only about 10%, where down is about 80-85%.