Overstock offering 15% rewards to club O members
Asus Eee Pad Transformer - $399 with 15% rewards
Club O $339.15 Save $59.85 (15%)
after 15% Rewards Rebate of $59.85 + free shipping
No tax and recycle fee for CA.
You might also try to pricematch with other merchants to bring the price
lower. YMMV