It must be the time of year to think about wind leases, because they've been coming up in the media a lot lately. Last Friday a piece was published in the Worthington (MN) Daily Globe about landowners who have been approached in SW Minnesota by a wind development company.
The article does a good job of conveying that while leasing your land to a developer can be a great economic opportunity, you have to go in with your eyes open and be vigilant about understanding a contract before you sign it.
The article also just happens to quote Windustry board member David Benson!
You can read it online here (free registration required): http://www.dglobe.com/articles/index.cfm?id=11437