I've noticed that several posters have been referring to the Panasonic TH-42WD6UY 42" EDTV plasma. Sounds pretty enticing, considering that it can be had online for < $3000. My question is, is this an old, discontinued model? Many posters have referred to it as being "new", but there's absolutely no mention of it on Panasonic's web site, while the site does show the new silver models with the integrated speakers. So, what's up with this model and why are online retailers discounting it so heavily (MSRP $3999) if it's a current model?