Amazon has a good deal on the SanDisk Extreme Pro SSD 240Gb today for $149.99 shipped.

Amazon.com: SanDisk Extreme PRO 240GB SATA 6.0GB/s 2.5-Inch 7mm Height Solid State Drive (SSD) With 10-Year Warranty- SDSSDXPS-240G-G25: Computers & Accessories