US-Appliance has the 46" Samsung LN46B750 for $1159 after applying coupon code
LN46B750. Shipping is free.
http://www.us-appliance.com/ln46b750.html
They have the 52" version for $1489 (with free shipping) after applying the coupon
LN52B750 but it looks like its temporarily out of stock at the moment.
