Drupal Showcase - Some Top Drupal Sites with Screenshots
Some Top Drupal website sorted by Category. The sites are not in any particular order. If you want your site to be listed here Contact Us. For guaranteed inclusion you can give a site recipe or some tips on how you made your site. Basically some code/article which will be value add for Drupal developers. Your article will be featured on the website along with your site in showcase.
Move your mouse over the Links to see the preview.
Lifetime TV -- massive Drupal site with a movie database, television schedule, videos, photos, editor-produced articles, user-produced stories, games, tag clouds, topic-based search, and beautiful theme.
PMP Exam Certification
How-To Community site for India
Community having good Forums
Articles or Links Directory.
http://www.lullabot.com/ - A very good Drupal Resource
http://itdiscover.com - Links directory like Digg.