Have seen them skidded before, if you put the cog on properly you won't strip the threads but like all wheels where the hub is glued in I guess there's a chance of ripping it out during a mad skid but it won't be any weaker than that old zipp disc you've got.
noob question: im contemplating the navigator N5 as a rear wheel
http://www.dolan-bikes.com/navigator-n5-5-spoke-clincher-track-wheel-rear.html
has anybody owned this wheel and is it....skiddable, ie: will i strip the threads or damage the carbon?