Strangely enough that core functionality (searching menu items) is kind of built into OSX. Along with ⌘-space for Spotlight, I use shift-⌘-? to search the menub

Strangely enough that core functionality (searching menu items) is kind of built into OSX. Along with ⌘-space for Spotlight, I use shift-⌘-? to search the menubar from keyboard. Its a great multi-tool as it hooks into the stuff you already know.