And the hits just keep on coming Â

As an idea toward increasing performance, I decided to try updating the database with 1024 x medium quality previews so I could disconnect the archive until I really need to access the originals. In the past, I've rarely used the preview tab since generally when I find what I'm looking for, I just open the archive at that location with Bridge.
What a surprise to find that after several hours of building previews, (which increased the database size by a factor of over 10) I discovered that even with the color match checkbox selected in the media rendering, EM2 doesn't appear to behave consistently as a profile aware piece of software.Â
So now I have an ugly workaround that addresses (sort of) the performance issues but I'm stuck with a different problem. The previews are a mish-mash of different renderings. A rendered 16-bit TIF file and its un-rendered (layered) parent.PSD file both profiled in ProPhoto RGB color space, yield vastly different previews generated by EM2 on import, yet when the media tab is directed at these original files in the archive, (when I make the archive live and pick my navel fuzz while waiting) no such variation is visible.
Does anyone know of a Microsoft location for professional support of this product?
Bruce