Frys has the Samsung UN40MU6300 40" 4K UHD Smart LED HDTV for $349 today 7/29 only in stores.
Lowest price has been$399 the past few months
You must have the email from Frys with your promo code.
Link to TV at Frys
May be able to get sales tax paid for as well. I was able to finagle a Best buy price match so I did not have to drive all the way over, and I had a BB gift card.
Refresh Rate: 120Hz (Motion)
1x Composite (shared w/ component)