I'd have to agree with those saying very little growth in last 10 years. I bought a 1966 Convertible, 200 with standard interior needing floors, rear frame rails and quarters but otherwise mechanically sound in 1996. In 2011 I bought a 66 Coupe, 289 with Pony interior, needing floors, doors and quarters but otherwise mechanically sound for only $600 more. Granted, I may have overpaid slightly in 1996 for the convertible, but I still think it's a sign that not much has changed.
1966 Mustang Convertible - T Code - vintage burgundy / black pony interior
1966 Mustang Coupe - C Code - currently red / black standard interior (going back to original dark moss green / ivy gold and white pony interior)
Last edited by buflash; 11-30-2012 at 02:38 PM.