The issue was in my BIOS, of all places. I was going to see if I could do install from a Gentoo LiveCD from April 2k8, and it kept on hanging near the beginning and lighting up all the lights on my keyboard (caps, num and scroll lock). So I went into the BIOS, loaded optimized defaults, changed a few things I really needed (usb keyboard on startup, for one) and viola! I was able to install. Now I'm getting the same irksome message as the other gentleman about an invalid partition. Going to delete all the partitions I created, recreate and install bootmgr instead of just a normal MBR.
Thanks for all the help. (: -- PIT Emails are not formal business letters, whatever businesses may want.
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