Hi and welcome back to whiteboard blabber! Let me tell you...when I was researching clickers I could not find any "for sale". Now that I'm doing electronic whiteboards, I have to dig through the 75,000 "for sale" sites to find some good articles.
That being said, I thought I'd give you a few links to some whiteboards for sale:
While looking these up I discovered that there are many different kinds of electronic whiteboards...more on that next week!