Organize iOS App Icons, Sort, Rearrange
I like to use "MultiIcon Mover"



You hold your finger down - like usual - but then instead of having to drag each one individually...  you just tap on the ones you want to move... even if they're on separate pages.  they get "highlighted with a checkmark... and then you navigate to the "page" that you want to put them on. Hit the home button and they'll all plop onto that page. (space permitting)

You can sort hundreds of icons in just a few minutes.  No more ridiculous dragging around.

Jailbreak only.  Find it on Cydia.