Penny Schwynn of Specialty Outdoors would to a top job. I think she used to sew for Patrick Smith long ago.
Otherwise, have you had a good look at the tutorial on the Hill People Gear website?
It's not hard to do, even if your machine is not that great. You can always turn the balance wheel by hand to keep the timing correct. I find with heavy polyester upholstery thread, or with heavier sailing thread, the bobbin tension needs to be fairly loose, and the thread tension just the opposite, maxed out.