On Fri, 21 Dec 2012, Chris Tofu wrote:
  I'm looking at this:
http://www.ebay.com/itm/Shugart-model-801-8-Floppy-Drive-/230897115754?pt=U…
  and it seems to be very similar to the drives in my
Intel MDS box (blue
 if that matters, and that's all I have of an MDS system). The listing
 calls it a Shugart 801. I seem to recall Fred stating that a S* 800 was
 a *good* drive to utilize w/some peecee disk controllers.? Is an 801
 also *good*? I e-mailed the seller intending to grill some info out of
 him. 
Well, 800 was the original one that many systems were designed around.
801 should be fully compatible.
BUT, you might want to watch for a double sided drive!
(850, 851? TM-848?)
8" drives are mostly pretty old by now; not sure how many are gonna work
without some overdue maintenance