OK, so im custom building a computer mixed with old parts from my current computer, and new shiny ones...one of the old parts happens to be a NVIDIA GFORCE 9800 GT SLI READY 1GB...and the new motherboard is a ATI AND THE CHIP IS AN AMD....is that going to be a problem..like i wake up in the middle of the night and there fist fighting in my room (cuz thatd be bad)...but no seriously..any conflicts there?