yup, or even craigsList them for a sandwich with an install included.  you can get decent hashing power off used cards on ebay for under $100 USD like i got two 5770's for 150 or so.  they need to be from the last few years and have like 1GB memory and 1000mhz to even hash .0001 coin a day.  Every dog has it's day and gpu's are soon to be as such... :-/