DECassette questions

[Joe R.]

  I picked one of these up a while back and stumbled across it yesterday.
It's a model TU80 IIRC. Does anyone have anyexperience with them? I've
never seen or heard of one in actual use but I know it's supposed to be
useable on the PDP-8 so I may try to hand it on my -8 if they're any good
(and I can find the right interface card).  What kind of cassette tapes do
they use and how hard are they to find and format?

    Joe