For Win8.1U1: New option to always show/always hide labels for all Windows Store Apps on the taskbar

If you check the new option in Win8.1U1, that Windows Store Apps should be shown on the Taskbar and you activate the option to show all labels in the taskbar properties. I'd like to change the behavior of the Windows Store Apps seperately so that I can make these labels to be hidden, while the other stay visible.
(And no, I don't want to manually change the behavior of every App with the Taskbar Inspector.)

I hope that there is an attribute that you can grab all WinStoreApps easily. I saw in the Taskbar Inspector that (maybe all) WinStoreApps have an exclamation mark in its AppID.

Thanks for your attention RaMMicHaeL :)