Hi Reuel,
Thanks for posting your request here for a chance to checkout a 20X SDI locally.
As these forums are still new you may not get the quickest response to your request here.
I would highly recommend asking on the "PTZOptics Pals" Forum on Facebook, as linked below, to have the best chance of finding someone in a timely fashion.
https://www.facebook.com/groups/ptzopticspals/
If you have any questions about the product that we can help with don't hesitate to come back.
Reuel Williams