Heavy and low performance,
Hard to accelerate,
long way down (bottom) the list of aerodynamic wheelsets,
really crappy lateral resistance,
Not stiff,
When they break you throw them away,
Did I mention heavy???

sources:
http://www.sheldonbrown.com/rinard/wheel/index.htm
"These wheels are the most flexible wheels I've ever tested. There is no difference at or between spokes primarily because they are so flexible everywhere." damon rinard, sheldon brown site

http://www.rouesartisanales.com/article-15988284.html

graph of energy required for acceleration: note the Aerospoke is dead last, weighing 2450 grams (~5lbs) and requiring more than 9 additional watts to accelerate to 30 kmh:
http://www.rouesartisanales.com/wp-c...ia_june_08.jpg


...I say let the thieves have them.