i don't know about pc's but i get most of my stuff from: computer showcase,
2739 Geary Blvd. SF 415 563-1953 they usually have all the newer software
and they have a fairly complete public domain library with all of the
latest fish disks.
tony
You might also try GO AMIGO! which is a WHEREHOUSE that has a store front.
Look in the latest AMIGA WORLD mag. to check out their prices and thier
large stock of software.
-rad