The problem with scooters, thought designer Elliot Ortiz, is that they have no cargo space - so he went on to design one with a "trunk." (Seems that he forgot to put in the engine, though!)
Tuvie has some renderings of Elliot's cargo scooter concept: Link - Thanks Lowell Goss!
And I'm an old bike whore who sits on an HD FatBob. I love it.