Much thanks to everyone for sharing your ideas. As several people pointed out, the setup we currently have does indeed work. I am just curious if there is a more efficient way to accomplish the same goal without having to pass through multiple conversion devices. The PTZ camera setup sounds like a great way to go. Specifically, I am looking at the Logitech PTZ Pro 2. The price is not unreasonable, and it seems to match all my other criteria. Any opinions on this particular camera?