Theres quite a few good trails up here, our own stuff and good local trails around and about with a a newly produced map to point you in the right directions, also the Strathearn Mountain Biking Club has lots of local knowledge that theyre happy and willing to share.
I got a bit busy renting out new bikes over the summer, so the Retro Rentals idea is on hold - theres a few dark months coming up however so i shall see how busy I get in the shed Only one Orange Clockwork at the moment, and two Pashleys, so i have a wee way to go...