>[ If you can't pick-and-choose then you should estimate what
>[ percent of the collection is (a) interesting and (b) playable.
>[ The remainder is simply junk.  -- Robbie

Robbie's reply here is certainly sensible and helpful, as always;
I would caution, however, that one person's "junk" is frequently
another person's heart-stopping treasure!

Rowland Lee, UK