Vista - Installation says it can't find suitable drives to install to?!

I've tried installing pre-rc1 and RC1, and both have the same bug.
Beta1 didn't work either, same error, but for some reason Beta 2 would
install.

The brand new RC1 drivers from Nvidia does not work, vista never even
appears to attempt to load the raid system. I'm loading the drivers from a
sd-card.

When the raid is active, I can't see ANY drives in the list.

If I split the raid, and restore both raided drives to standard IDE, the
installer will find ONE 36gb raptor drive, and my 320gb drive.

When I click next with either drive highlighted, it will tell me windows did
not find a suitable drive. No further error message.

The Raptor was formatted etc, and I attempted to delete partition etc, no
luck.

At least give me an error fcol ><

It's pretty embarassing that they're this close to release, and they can't
even give me a proper error message.

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