Hope it all works. Ideally you won't have any case size issues. Also that 3D Analyze software is bogus (I didn't even bother looking it up), nothing will "create" a better video card out of software, it's the same as "downloading more ram".
Processor: Intel Core i7 940 @ 4.01Ghz
Card name: EVGA GTX 580
Monitor: 1920x1200 WFP07
Memory: 6148MB RAM
Sound: ASUS Xonar Essence STX
Operating System: Windows 7 64-bit
Card name: EVGA GTX 580
Monitor: 1920x1200 WFP07
Memory: 6148MB RAM
Sound: ASUS Xonar Essence STX
Operating System: Windows 7 64-bit