Replacment keyboard to Z61t and ALPS vs Chicony vs NMB

[kastro]

hi all

i need to closed my order for Z61t and i need to add a replacment keyboard to my order (international one):
http://www-307.ibm.com/pc/support/site. ... MIGR-64178

and i can not find any place to add the part number to my order.
and what is the best keboard to take, the ALPS or Chicony or the NMB ?

Thanks allot.