I once took a fresh build up to WI to ride with a friend. I'd left the stem slightly loose intending to do that but forgot about it. We were ten miles from his house when the stem came loose and of course I didn't have the tool to tighten it. Got a nice walk out of the deal until we found a...
I don't think those RDs were in production for very long. They might have been made after SRAM bought the company. The Sachs brand was quickly phased out.
Thanks, I wasn't aware of the Paul brake. Looks like it has a lot of vertical adjustment. The Shimano brakes I looked at were a long way from having enough adjustment to reach a 700C rim. I'm still on the fence about the fork.