The Austrian post usually sells used Doblo postvans (in Maxi versions and LHD) too. I admit that i dealt with the thought to buy one but since my 223 Maxi is working fine and is almost rust free i decided to keep my running system.
We also bought one of those Ex Royal Mail Doblos, the no. plate is actually within ten digits of your own. Seems they unloaded a huge batch of them a few years back.