Today only, Best Buy via eBay offers the PNY 240GB CS900 Serial ATA 6Gb/s 2.5" Internal SSD for $32.99 with free shipping. That's tied with our January mention as the best deal we've seen. (It's the lowest price now by $2, although most sellers charge over $40.) It features read speeds up to 535MB/s and write speeds up to 500MB/s.
If you know where to look, you can score freebies at the dollar store regularly.