This was done a few times in XBMC & a few homebrew dashboards for the original XBox. The current iteration in Steam Big Picture is cleaner and benefits greatly

This was done a few times in XBMC & a few homebrew dashboards for the original XBox. The current iteration in Steam Big Picture is cleaner and benefits greatly from a high-resolution screen and the increased real-estate that brings. It's not a new idea by any means, but it may be the best execution of that idea so far.