Yesterday, while cleaning up my media center, I found my copy of Ratchet & Clank: Into The Nexus, which I bought sometime before Christmas last year. I had been pretty excited about this game pre-release, what with it being the first "traditional", albeit shorter than usual,...
Try to aster the short hop by stabbing the jump button. It'll come in handy as the game progresses.
Don't slow down. Use baseballs to smash through walls and windows.
Also lob baseballs at your rival when they're immediately in front of you.