The Samsung HLM507W - 50-inch Tantus HDTV is selling (soon) for $3,249.00 + $100 shipping.

It has the TI HD-2 device and a scaling set from Farouja (IIRC), so it's pretty indicative of what could be done.

http://www.samsungelectronics.com/tv/product_news/tv_admin_1034726225500_101010.html