This site has some videos of the Leopard in flight and an engine startup with sound. These are from a CMC promotional CD.

http://www.machdiamonds.com/leopard.html

This is some information about the two airframes

LEOPARD s/n-002 G-BRNM. Airframe complete and airworthy less engines. Fitted with Bendix-King EFIS-40 and Gold Crown avionics. Built 1997, last flown 2001 UK B-conditions (Experimental).

LEOPARD s/n-001 G-BKRL. Airframe complete and in good condition, less engines. Last flown 1994 UK Permit (Experimental).

(This is a bit out of date though)