How to map ubercart attributes to CCK fields?
If you really want fields and do not want to use your price in your views (though Ubercart is really compatible with views), you can use Rules to fill the value of a "hidden" (I recommend you use field permission for that) CCK numeric field.

Once you've created the field for your product content type, set the rule like this :


Event : Content is created
Condition : Is of type your product content type
Condition : Entity has field your numeric hidden field
Action : Add a variable : get your price value
Action : Convert data type : make it numeric
Action : Set a data value : set your hidden field value.


(Maybe this 3 last actions can be done in only 1 with "set a data value", it's worth trying it)