Just read about this system, used by the British Library to digitize analog tapes:
http://www.cube-tec.com/quadriga/
Watch the video demo, pretty much a wet dream for anyone struggling to digitize tapes.
I'm sure it costs a bomb though. ;D
Yep, many of the top notch transfer/archive/restoration facilities use cube-tec software.
Here's a web site of a guy I know that uses nothing but the best.
http://www.theaudioarchive.com/