$50 price drop. Amazon has the Crucial M4 CT512M4SSD2 2.5" 512GB SATA III MLC Internal Solid State Drive for $530
with free shipping. Features up to 500 MB/s read speeds, up to 260 MB/s write speeds, 1200000 hours MTBF, integrated 8-channel single chip controller, and 0.1 ms average access time. Newegg
has it for the same price.