For me, initially my Magic wouldn't properly connect with my PC and the .bat would hang up when it was waiting to see my device on USB. Tried a different USB port (shouldn't make a difference, but did) and it detected it but the command window immediately closed. I let it sit for 15 minutes thinking maybe this is what it's supposed to do...nothing. So I popped open the procedure.txt file and did it manually. Didn't take long at all to pound out commands...with the nice side effect of making me all nostalgic for DOS.
One question...the "Use JIT compiler" option is not checked in the performance section of the settings. How will this option affect my phone's performance if I turn it on?