Originally Posted by kersie
Since use of all of these lounges is essentially interchangeable at this point, what's the benefit of joining WC when all it will do is cost more??
DL is unlikely to give you a status match, although I suspect it has happened before with NW. Since status matches are supposedly a 1x deal, I'm not sure I'd waste it to save $30 on a club membership, unless you plan on flying them.
One thing NW offers is a mileage bonus, depending on the term of membership:
http://nwa.com/features/wcwb6/
You'll also get points credited to the 100,000 dash program.
http://www.nwa.com/offers/dash/