Time Magazine released it top picks for the best websites of 2007.
You can vote for your favorite.
As far as looking at the list from a domain perspective there are some good pure domains, but there are many more web 2.0 type domains.
Here is the current top 25
Mozy.com
Tumblr.com
Twitter.com
Weebly.com
Netvibes.com
Wetpaint.com
GrandCentral.com
OhDon’tForget.com
Zoho.com
ThinkFree.com
Ajax13.com
Last.fm
Stumpleupon.com
Etsy.com
Wotartist.com
Fatsecret.com
Chow.com
Donorschoice.org
Veoh.com
Linkedin.com
Lala.com
Yapta.com
Propser.com
Cellswapper.com
Blinkx.com
Imtooyoungforthis.com