Hi peter, the job is really not that hard to do, if you are thinking of giving it a go yourself i would be happy to help by phone or mail. I have helped several members now and had my roof off at least 5 times, so if you are, i will Pm you my number.
Cheers, tug
Evom3z4, out of interest, how much do you want for your motor? mines ok but would like a spare, just in case.