HOT or NOT Deluxe Factory 2.1.0 released on August 19, 2011. 

    Support for Joomla 1.7.x.

Good NEWS! Although it's a new major version, the new product will remain free for all 2.x.x license holders.
Attention it's a single site license, so if wanted update the site to joomla 1.7, not create a new site and having further the older site on joomla 1.6.