TigerDirect has 512GB Crucial MX100 2.5" SATA III Solid State Drive (CT512MX100SSD1) for $189.99 - $20 off with Visa Checkout = $169.99. Shipping is free. Thanks seventy9ers
Note, you may also save an Extra $10 off $100+ Orders with the TigerDirect card linked offer (more details)
Editor's Notes & Price Research
For a review of this SSD, head over to AnandTech.
Free 2 day Shop Runner and no tax in CA.