I've recently obtained a whole bunch of C64 stuff from my dad, whose had this stuff sitting in the garage for years. The C64 works just fine, but my main problem is the fact that none of the floppies work, I'm pretty sure its from being out trapped in the heat and cold but I'd like to have some conformation. The floppy drive has been sitting out in the garage as well, but seems to work just fine, using a modern PC power supply cable with it won't harm it, will it?

On a side note, is there any decent way to transfer software between the C64 and my PC other than the cassette method? The crappy tape player I have right now distorts the signal in a bit. I've also got my his old Vic-20 as well, but it doesn't seem to work at all, the rf box doesn't send any signal out, though there is a monochrome monitor cable with it as well, where would I plug it in?