Though I didn't participate in either, I second
The riddle of the fink's and
Location, Location, Location (with the latter, I had seen that news article before it started, so I figured it out fairly quickly).
On the other hand, I'm also nominating
The public sector works a bit like this--though, since I was the one to make the final leap to solve it, I may be biased. It was a fun puzzle anyway.
And I'll round out my selections with
Mixed Feelings and
Mobile Books.