The Continental Presidential Plus Wold M/C (its a mouthful), allows access to CO-PC, NW-World Club & Delta-Crown...all that for the low, low price of $375yr.
It a fairly decent card...as cards go. It has plenty of other features, Avis Presidential level, Hyatt Platinum level, etc.
http://www.firstusa.com/cgi-bin/webc...cont&mkid=674L