I have the 32GB PNY class 10, got it at BestBuy last week for 69.99, went on sale Sunday for 59.99, and I had 10.00 in reward zone certs, so I ended up getting it for 49.99 in the end.
I'd purchased two others (some generic POS, and a "SanDisk") off eBay, both were duds, but I got refunded...