My hypothetical list would be:
...
Singlehanded multihull (with asymetric spi)
Oh yeah!!
I started to reply to your pre-edited version, but you've anticipated my comment <img src="http://www.catsailor.com/forums/images/graemlins/smile.gif" alt="" />
Now we can resume the F17/F16 debate! <img src="http://www.catsailor.com/forums/images/graemlins/laugh.gif" alt="" />