Impromptu to the point of maniacal! Excellent!
I've often considered the droids; have a couple at home along with other SW psuedo-cliccies for tranformation, but they look perfect as is, in the right setting.
I love it when 'maniacal' can mean 'brilliant'.
Of course, I'll also have to dig out the Golden Compass 'Hansoms' as well.
Doug