I think your friend is wrong - the TonePros bridges and tailpieces are made by Gotoh, as far as I know!
Certainly the Nashville style tune-o-matics and the aluminium tailpieces are identical to the equivalent Gotoh parts, just with the added locking grub screws.
(I'm not sure about the ABR-1 style bridges)
Schaller stuff is great, but not only is it expensive, it's very hard to find anywhere that sells it!