I'd check your local phone book, and try to cover anywhere from a 10-50 mile radius from your crib. Get in your car, or hop the bus, and just find the record bins. Most thrift stores took all the vinyl as donations, so likely they don't know or care what's worth money, and what's cheap. You might want to look veeery closely on the condition, (some might be warped/scratched beyond use). The music, might not be all that great (I notice there's alot of christian/gospel vinyl), but if you have the space in your studio, make a little room for the misfits! For $2 a pop, what have you got to lose? (Besides the money you're prepared to maybe waste).....