Ya! me too.. i wan to know too
i think its already mentioned before...use Categories
http://www.topiphoneresource.info/organize-your-iphone-apps-with-categories-jailbreak-app/
if u willing to pay, can get addon catergoriesSB.
Features
Extends BigBoss’s Categories by integrating it with SpringBoard.
Categories load almost instantly; no backgrounding required.
Options for each category can be configured independently (via the Categories application), including:
Show category title
Custom title/background image
Horiztonal or verical scrolling
Swipe to close category
Hide the dock
Display sum of contained badges on category icon
“Recent” category will track apps that have been recently launched.