America's Test Kitchen and Cook's Illustrated are both a great source of quality recipes. Unfortunately, many of their recopies are for members only.
The nice part is if you receive their emails, many of their recipes are given out for free for short periods of time. See the attachments at the bottom for the recipes I have saved.
Here are links to others who have posted many of their recipes:
Here are ATK recipes I have saved:
Google Image Search is a great source for finding their recipes: