Got the Nook Color in NYC. They have the 16gb Nook Tablet. $25 coupon won't scan for either so the store manager said he'll do an override but only for the 8GB Nook Color. Came out to ~$82 tax included.
I haven't tried the Uniden at Big Lots or any of the other of the newer cheap tablets but I tried the Nook Color at B&N on 5th Avenue, played Angry Birds on it, and it feels great. I may be comparing apples to oranges but I'd go with the Nook Color's 1024x600 resolution.