This deal has ended.
Buy.com has the PlayStation 3 DualShock 3 Wireless Controller priced at $49.98. Shipping is free and there is no sales tax (except CA, MA, MD, TN). New Google Checkout users who sign-up and pay via that service get an additional $10 discount. These are preorders and will be shipped the day of their release, 4/15. Compare Buy.com to Amazon, where these are $55.