Got the upgrade done yesterday. I did this with a friend of mine helping. Both of us are technically oriented, and not novices with electronics/computers. I can't say how many device restart errors we saw, following all instructions step-by-step. At one point, the original firmware was erased prior to the error, leaving me in a very precarious position. THIS SHOULD NEVER HAPPEN!!! This is a firmware upgrade, and if it fails, you've got a very expensive brick. I don't know why or how we finally got it to work (tried various USB and RS-232 options, but no idea why the one that worked actually did). While the majority of people appear to have gotten things working, there are way too many errors in the installer, as evidenced in this thread, for it to have come out in that form. A firmware installer needs to work, first time, every time, as long as the instructions are followed exactly. This one does not have that level of reliability, and should not have been released until it did IMO.