I like how you referred to the environmentally friendly part. Often advertisers are not so "Green" in order to make the "green."

Needs more of a response.

Excellent point! What would be the cut off for you to purchase one?

What might make someone change from working for Nasa to Sky HD?

Elaborate :)

Have you ever seen "the chalk guy?"

What about the part of people watching you for three hours? Interested in trying it out?