neat!!
http://mac.finerthingsin.com/post/2976649853/app-store-updates-itunes-keyboard-shortcut
Easily check for App Store updates in iTunes
Instead of mousing to the 'Check For Updates' text button at the bottom of the Apps section of iTunes 10, you can simply hit ⌘-R to run the check.
Strangely, I cannot find this command anywhere iTunes' menu system besides the main app menu, but that's for checking on iTunes updates, not app updates. Plus, ⌘-R is set for the Store > Reload Page command, but then, only when you're in the store; it's grayed out when viewing your apps.
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"Don't sweat the petty things and don't pet the sweaty things"
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