Not something I'm aware of either. I wonder if jkauff performed an "update tags from library" on some of those video files (not wmv ones), would MC write out sidecars beside the files?
I suppose it's down to things like workflows and usage scenarios, but personally, I never browse my titles in Explorer, for any media type. It's all done within MC. I like to keep them organised on disk, because I'm like that, but again, I get MC to do that for me. Playback is always initiated from within MC, never from Explorer.
Sometimes, it's just about a new approach. MC sits between us and the files on disk and presents them, and manages them, in a far superior manner to any file manager out there. Let MC take the strain, it's more than capable.
I appreciate that having said that, there is a learning curve, and one needs confidence and a fair bit of the curve to give MC the correct instructions in the first place, but it's worth the learning, as you work less and less in Explorer and more and more in MC. After a few months, MC will have everything the way you like it and you will never look back.
-marko