I really like it. This proves there's still an immense number of viable domain names out there for startups.
Since you asked for some feedback, here's my two cents: I'd like to be able to sort the results by having my search term at the front or at the back of the domain name.
Highlighting the difference between verbs, nouns and adjectives is also something I'd like to see, taking a page from the book of http://impossibility.org/