If you're like me then you probably have tons of apps that would be difficult to find if you had endless pages of pages. With iTunes 9, you can now organize them in folders which makes finding an app much more easier. I've compiled a couple of videos that will help you succeed at this. Enjoy!
How to Organize iPhone Apps in iTunes 9 Part 1
How to Organize iPhone Apps in iTunes Part 2
Now that you've learned how to do that, organize away.