This should help you beat Da Diddy. Namely Ben's and mine (once you beat Ben's --- Reserving it for once you can beat it to erase your mental block). Knew it was somewhere on the Marth boards. I haven't read it yet either, but it outlines Diddy's flaws and abilities and some of the Marth vs Diddy should be applicable to ZSS. http://smashboards.com/threads/diddy-tips-and-item-tricks.309846/