That's great that your librarian friend is excited about the Librie. I'm sure it was well worth the experience to have been able to try it yourself for a time.
We're getting so close that it's quite a tease.
I love to read on my Palm Treo, but it's not exactly a perfect platform for ebooks. I guess nirvana is going to keep trickling in for a while. But when the technology is ready, look out for a revolution!