2010 SEMA showed us a few interesting vehicles, including Toyota's Swagger Wagon Supreme concept van - based on the 2011 Sienna, it's truly a stretched out concept. It takes the minivan to another level. The Swagger Wagon Supreme features a wheelbase stretched out by 44 inches, creating more room for people, but still retaining its seven-seat configuration.

From the front seats to the tailgate Sienna's carpet has been replaced with wood flooring. The second row "captain's" chairs now swivel and have been relocated rearward to make room for a new spa seat with massage function. There's…