None are currently developed, I've not driven traffic to them. Make an offer and we'll see what sticks.
- wordpress-tutor.com -has some outdated tutorial content, should probably be easy to update. I was planning on using it for for hosting affiliate. ~2 years old
- PostHive.com - great blog aggregation domain. ~4 years old
- CrackTheVote.com - endless political applications. ~5 years old