I work 9:30-6:30, but am not usually off work until 7:30-8 (I work in a call center, and it seems I always get a 3 hour monster call right before my shift ends....).
My availability is pretty hit and miss, but I would like to try to work something out.
I'll check with my wife's work schedule to make sure I don't mess anything important up, but I think monday would work. If not tuesday is bad for me too, so maybe wednesday?
Do you have a VAG-COM? I've always wanted to scan my car just to check, and the dealer always 'forgets' while they are in there fixing other things.