BTW, I'm currently adding support for software-status checking & caching, and I want to use different icons than the system ones to indicate software-states.

Here's my current set of icons for software-states (correct, incorrect, mostly correct, not found and unknown):

What do you think? Or perhaps someone wants to post different ones (appreciated).

A mind is like a parachute. It doesn't work unless it's open. [Frank Zappa]