31 Days to an Organized Home at The Complete Guide to Imperfect Homemaking: the author of this blog has a small, but beautiful (and organized!) home and five small children. Reading through her 31 Days rocked my world! Especially check out day one when she talks about why to have an organized house.
Conquering Paper Clutter : Lots of great ideas on how to minimize paper clutter in your house. She's very thorough in describing her methods, and takes into account just about every sort of paper.
Martha Stewart Organizing Tip of the Day: Of course Martha is going to have lots of good stuff about organization! You can subscribe to her tip of the day via email as well, if you like. On her website there is also a whole section on organizing including each room of the house as well as seasonal organization and organization checklists!
Lastly, pinterest.com is chock full of great ideas on organization and just about every thing else.