Could you guys do a little digging for me, and get this log:
And also check here, and see if it's writing out a new log when you try to start the game? If there are new logs being written, post those too:
The version numbers in there might be slightly different, but the basic path should be right. You guys have done a great job attaching the launcher logs, but it looks like the problem runs a little deeper than that this time around.