http://www.electronista.com/articles/11/12/14/google.chromebooks.to.be.lent.out.by.library/
I had this idea immediately when the devices were made available. We are just finishing up a pilot project at my university's library to check out 20 Windows-based laptops to students. The service has proved to be very popular. I suspect we'll test out the use of Chromebooks in the mix at some point. Palo Alto is one to watch!