Would you use a smart car?

I am part of the fueling for smart-cars, namely smart-cruise controls.

Q: Would you use a smart-cruise control? Q: What are the cons?

More info: http://gpscruise1.blogspot.com/2011/03/make-product-before-summer-win_09.html

I value any input as I struggle.

-jim pruett, Founder wikiSPEEDia.org