Hey Cap, check this out
http://www.vronis-homepage.de/Torsten/15.04.2007/html/ scroll down to the bottom and look for 4 photos of what appears to be an Israeli Centurion, man, that Centurion is bad as hell, obviously scratch built.
If Tamiya or another quality company (Dragon, for instance) made that in 1/16 scale kit form, I would buy one immediately.
Will