Digforit.com is for sale on eBay. Check out the auction. As of the morning of May 8 the top bid is $15,000, and the auction ends on May 14.
For web search, Digforit uses GYM, though it’s more focused on Google. For other types of search, such as Audio, Blogs, Video etc. the engines vary. Digforit has built in a query refinement feature that pops up after you type in your query.
Back in October, Jux2.com , another meta-search engine, sold for $101,000, so it’ll be interesting to see what this one sells for.
Update: Sold for $25,400.