Nice work! I first came across this concept a few years back when someone posted an instructable which I believe he was building a Magic mirror for his daughter [1]. I re-implemented the idea but with a spooky tone, ie. it is framed as a regular mirror in the living room and when a guest stares at it long enough, something spooky jumps into the view. This was done using a VGA monitor, camera and a netbox pc. It was a fun project. If I were to go at it again, I would just use a cheap android tablet solely based on price, simplicity and power consumption. Will also make it useful this time with display of data that interests me than a novelty toy.
[1] http://www.instructables.com/id/The-Magic-Mirror/