I'm interested on this keyboard, however its for a mac, can you use it on a PC? If not, is there such a thing as a converter? anyone..... Logitech® Cordless Desktop® S 530 Laser for Mac® http://www.logitech.com/index.cfm/p...2162,CONTENTID=11420&ad=emea_hpb_s530_march06 Thank you