Hey guys, this is a great deal from Rich.
The SX cameras are superb, I use the MX716 and SXV-H9 and they are fantasic and easy to use cameras and the lil MX516 is no different. Make an excellent autoguider too!
At $450 it's a bloody bargain
Rich is the sort of kind hearted astro nerd who would help you with any problems that you might think you will have (or pervieve you might have?) anyway so don't be concerned if you are not familiar with SX cameras.
Mike