I'm trying to get an RPTV with a limited budget. So I was ecstatic when I saw the Panasonic 47" that I was eyeing up at a local warehouser for $1600. But when I got back home and compared the model number it wasn't the same. (It's pt47wx49s instead of the pt47wx42 I was expecting.) So, is this one of those deals where they make product specifically for a dealer; or is it just an older model? And does anyone have any ideas on how to check out the specs for a non-mainstream model? (It wasn't on Panasonic's web site.) Thanks!