This might be borderline herecy, but having had a good play with various trikes, some of which were undoubtedly as fine an example of their species as you're likely to get, I can't help feeling that three wheels just don't do it for me. Shocking, I know.
But absolutely get thyself to D-Tek. And get the wife on a nice, sane, ICE machine while you play with sillier things. What could possibly go wrong?