You have less that 6 hours to join. You get to join only one.
The good news is that your membership is guaranteed -- but only if you decide and act right away.
I can't tell you your business or what should be important to you, but remember: membership means that you can play the course every single day, while in this case "private" means really, really private. Outside play will be extremely limited.
The list of the Top 15 was culled from Golf's Top 100 in America (taking only the currently-public and leaving off the many already-private courses).
Here's the list. Membership awaits you, along with everyday play at your favourite (currently) public course. But for the other 14 courses that you don't pick, well, you might not be able to play them again for a long long time.
Good luck with your decision. Remember: you may want to pick a course that you would be happy to play every day.
Best to you for a happy and healthy new year.
Peter
Pebble Beach
Pinehurst No 2
Pacific Dunes
Bethpage Black
Kiawah Island (Ocean)
Whistling Straits (Straits)
TPC Sawgrass
Bandon Dunes
Harbour Town
Bandon Trails
Streamsong Red
Sand Valley
Pasatiempo
Old Macdonald
Streamsong Blue