I'm in the UK, so sending it back to the US is a pain in the...
Besides, a little surface mount work doesn't scare me... too much! Actually, it's not too bad in there. The board comes completely clear of the chassis so you can get to everything very easily.
I'll grab the torx size tonight when I'm home. FWIW, it's the same size as the wrench provided with the Metallo case.
Has anyone posted pictures of the internals? If not, I'm happy to pop it open again and put some pictures up, if there is interest.
I don't have a Metallo case, hence no driver :(. But please take pics for us, and is it possible to switch opamp like the other VC stuff?