No affiliation. Came across this on a random browsing of ebay. I have no idea if the price is reasonable, I just thought it looked pretty cool.
http://cgi.ebay.com/ebaymotors/Hummer-M997-1996-HUMMER-HUMVEE-MILITARY-USMC-AMBULANCE-M997-Maxi-Ambulance-/230733870445?pt=US_Cars_Trucks&hash=item35b8cf756d
http://cgi.ebay.com/ebaymotors/Hummer-M997-1996-HUMMER-HUMVEE-MILITARY-USMC-AMBULANCE-M997-Maxi-Ambulance-/230733870445?pt=US_Cars_Trucks&hash=item35b8cf756d