No they aren't... the srw 9600-9900 gvw 12 ft cubes are becoming more available in 3-4 yr old trucks..and new ones are all over dealerslots....i passed a used truck dealer in Dallas last week that had to have 6-8 with different body configurations on the front line..That used truck dealer on I 75 around Lima Ohio always has a few of them on his lot...There is a place on 30 just across the stateline in indiana coming from ohio..that always has a few...yea they maybe hard to finnd in your "local" used car ads, but they are all over the country..stop at a TS and pickup a Truck Paper..there are 10 of them in srw and drw in the one i have in the truck..its a few weeks old, and they come and go, but there are always units available...there are 2 Cargo Max's in Philly right now for under $30 grand...you might have to fly to some place to buy one, but they are available...