lg electronics 55ln5700 55 inch led lcd hdtv with smart tv

Hello everyone, I was looking at best buys ad for this weekend and they have a 55 inch LG tv for $750 (LN5600) but I have been unable to find and real information on the TV other than what is on best buys website. Could anyone tell met what the real differences are between these two TVs...

I'd like to start some dialogue for people who have purchased or are purchasing the LN57 series from LG. I bought the 47LN5750 which is basically the core LN5700 but includes the magic remote. I am coming over to LED from the plasma world and this television is a pretty good one thus far...