FHR levels

im new to here but i know a bit or 2 about diablo and u can find all the fhr of the charaters at this great link:

http://www.diabloii.net/faq/pvp.shtml

or

http://www.diabloii.net/faq/pvp.shtm...ow %20much%20"faster%20cast"%20equipment%20do%20I%20need?

well now i need some help

1) does anyone know if the cold mastery of the sorcs is the % or the orbs gonna pirce or the % of the enemies cold resist gonna drop.

2) and i want to know DOES anyone hav cold skill chamr with FHR

3) does bugged items dissapear

well c ya