Here are some videos on how easy it is to pick these locks. I got my NY lock open in about 3 seconds. Scary.
http://thirdrate.com/misc/krypto.mov
http://biginjapan.com/extranet/asset...v_disc_web.mov
the kryptonite locks have kk- - - - or yse- - - - or nba- - - -
the kk numbers key locks are the ones having the issues apparently.
yse and nba are older models