4GB Lexar Memory Stick PRO Duo $40 @ Fry's
Fry's currently has the 4GB Lexar Memory Stick PRO Duo in stock and on sale for $39.99 plus shipping. This may or may not be an online only special but it could be worth checking out at a Fry's retail location if you have one near you.
4GB Lexar Memory Stick PRO Duo @ Fry's