Recently famous iPhoneAtlas has published very informative concerning very popular iPhone lag with crashing during sync process with iTunes. Read step-by-step F.A.Q. from
iPhoneAtlas below:
Several users are experiencing an issue where the iPhone synchronization (sync) process freezes partway through, never completing and sometimes causing a crash in
iTunes. There are a few promising new fixes [...]

I present you one more preNewYear’s application for your lovely Apple’s gadget - Categories, which perfectly helps you to clean up iPhone’s desktop and collect all similar icons into groups.
Add in Installer.app this repository
http://sleepers.net/iphonerepo
Attention! If after installation, your iPhone has been bricked, delete in a folder /Library/LaunchDaemons/a daemon of this program and restart your [...]

Very actual game for all fans of classic slot machines. iSlots - a virtual casino with 3 lines for slots in your
Apple iPhone. iSlots will please you with amazing graphic visualization and perfect sound. You can install this game through Installer.app, having added this repository
http://iphone.rustyredwagon.com/repo