I got my first ever dedicated sound card, didn't want to go overboard so I bought an Asus Xonar DGX.  All the settings in the control panel of the sound card are completely foreign to me, so I needed to input on what the best settings would be for best quality.  I mainly play games, FPS, as well...

I recently purchased a pair of Audio Technica ATH-AD700s after hearing everyone rave about how great they were.  While they were an upgrade over my very below average headset, I'm somewhat dissapointed after them being hyped so much.  I am currently using onboard sound, so that may be the issue...