As promised here are the links I promised.

Similar in nature to Douglas' list.

Note the advertisements especially on partycrasher,
www.partycrasher.us
www.guestofaguest.com
( if you click on calendar  you can see the parties coming up. I Think
this is what you had in mind about the DKS list last night)
www.sociallysuperlative.com

(All the happy hours in town)
www.myopenbar.com
(Hugely successful. You are guaranteed 6000 people
if you list your party on here)
www.freenyc.net
www.fineartamerica.com
(the new art listing guide)