Going great thanks bud, flying infact, I took it out today for a 200 mile round trip, and yes she was awesome, ballistic overtaking power.
Re the manaul box, you will see on RS6.com that they are trying to do it in the states, but not very sucessfully,to much power for any manual transmission they have found.
I saw a figure of 30k to complete and build such a gear box from scratch.