Major price drop. The body alone was $546 on Adorama yesterday. The body is $346 today. I think the best price is this bundle with the 40mm lens. That lens alone sells for $200-$300 on ebay.
Pentax K-01 Digital Camera with Pentax 40mm F/2.8 XS Lens Black Bundle 15242 A
It's still $749 on B&H.