dual Quadro 4000 MacOSX 10.6.8 kernel panic

i tried everything still having these kernel errors at least 10 times a day!!! Anybody from NVIDIA or Apple support?

  Kernel Extensions in backtrace (with dependencies):
        dependency: com.apple.NVDAResman(6.3.7)@0x96e000
        dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
        dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
        dependency: com.apple.iokit.IONDRVSupport(2.2)@0x961000
        dependency: com.apple.iokit.IOGraphicsFamily(2.2)@0x93f000

Hey buddy,

Ive got the same issues on 10.6.8 with two cards, relatively stable with one card, actually very stable now with one card.

Did u actually upgrade to lion and try with two cards? Please let me know,