So I am likely going to purchase a thuban and want to move to the 890FX chipset. Here is my issue. I run crossfire 5850's. I want to run them both at 16x since I game at 2560x1600. I also run a raid card that takes care of my SSD's in RAID0. I also have a Xonar D2X sound card that I want to use (not currently using it). The issue is that with the MSI 890FX you can only run dual cards @ 16x if two of the 5 PCIe slots are empty (leaving me with only one more PCIe slot to use for the raid card). The CHIV formula has to have the video cards in the 1st and 3rd PCIe slot to run dual cards @ 16x. Again, leaving me with only one PCIe slot let to use. Now to the CHIV Extreme. It has the ability to use three cards @ full 16x due to the hydra chip. Also, the layout will allow me to use both my raid card and my sound card. I did some reading and the native crossfire slots are the 1st and 3rd PCIe slots. However, I think I could still get away with using the 1st and 4th slots (the PCI slot would be the only slot covered up) and this would allow me to use my raid card, sound card and raid card if I wanted (or maybe a PCIe SSD ). Any other boards out there other than the CHIV extreme that will allow me to use my components the way I want?