Well, I finally shipped my Zeus Pro 640, 100mm, 30hz back to Armasight for software updates. I contacted Andrew 2:30 pm 4/14 and received RA# via email for scope return and upgrade. Attached one copy of RA form to the outside of my pelican hard case, and placed another copy of the RA form inside with my thermal... - 4/14 - I shipped my scope insured via UPS. 4/19 12:42 pm - Arrived at Armasight, and signed for by Bridley. 4/20 12:44 pm - Shipping info sent to FedEx. 4/20 5:01 pm - Picked up by FedEx. 4/25 delivery ETA to Texas! - 24 hours total time to upgrade my scope. Outstanding customer service from Armasight!