I bought a new copy of "Avatar blu-ray extended Collectors Edition" from Amazon for $19.99 + shipping. It arrived yesterday and I'll probably watch it this weekend. They still have it for this price if anyone is interested. Target is still selling it for $39.99.
In Canada, Costco also has it for $19.99 ans well as some pretty good price on some box sets until Sunday:
X-Men Collection - $59.99
Band of Brothers - $44.99
The Pacific - $44.99
The Bourne Trilogy - $32.99
Shrek: The Whole Sory - $29.99
Avatar Collector's Edition - $19.99
Resident Evil Trilogy - $18.99
Underworld Trilogy - $18.99
Spiderman Trilogy - $18.99