In OS X from 10.5 on, the Help menu has a quick search box (command-shift-/ aka command-?) that works somewhat like this. I find it most useful in programs lik

In OS X from 10.5 on, the Help menu has a quick search box (command-shift-/ aka command-?) that works somewhat like this. I find it most useful in programs like Photoshop which I don't use enough to memorize the menu layout, but enough to where I know approximately the name of the menu command I need.