allow ad targeting based on CCK fields

Hi
is there a way to build targetting depending on cck, I know adgoip is there(very cool by the way)
what about cck or profile field? why cck? because:

it will increase targeting especially when you have community oriented site. example let say on your user profile you put option where people can put their interest example soccer
then on ad manager when someone open an ad, he can choose to target that keyword interest (another functionality can even tell him how many people putted soccer on their profile) so that he know approximatelly how many people he will touch. same for Male, female , in relationship etc...
a very good example is facebook.com/ads http://www.facebook.com/ads/create/
Notice how you can target in function of what keyword are present in the user profile (that's very targeted ) very close to behavioral advertising