Yeah, Keep your Selected up, but turn down Motion & Static.

Even then, when you have a high poly count mesh, you may at times have to do the Ctrl+Click and re-select it (even though it is already selected), and that will make it look normal again. 

I think this is due to just a ton of polys being displayed and your video card needing a little help. I myself have what is probably considered an obsolete video card (GeForce FX5200), and I have to re-select high poly meshes once in a while to make them appear "back".

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