A skype question?

hi wanted to know, me and my girlfriend have both got skype, and both have got macs with an airport extreme, so basically both our houses are wi-fi enabled. could we both buy this skype headset

http://accessories.skype.com:80/ser...peeu&id=ProductDetailsPage&productID=81463900

and speak to each other on skype??

would it be clear, basically would it work as well as a phone, because at the moment i'm wasting too many minutes on the phone, and thts normally at night time when i speak to my girl.

Any help will be appreciated

Thanks in Advance