Hey guys, I am thinking about getting a sound card for my gaming setup. I have budgeted $200 for it. I can use either a PCI or PCI express card. Also, I am running Windows 7 64bit. Also, I use 5.1 surround sound headphones when gaming. I saw the Asus Xonar D2X and that looked nice. But I don't know. Any suggestions or advice from personal experience? Thanks in advance!