Looking at the Omni as my 1st sound card (with a realtek 898 on-board), to pair with a Superlux 681 Evo I just got for gaming (mostly sim racing and some FPS) and music.  Mostly looking at the SBX Surround feature.  Would this be much better than the slightly-cheaper X-Fi 5.1 USB?  Looks like...

Thinking of getting my first sound card, if ever. Just got a Superlux 681 Evo to use with few games (i.e. sim racing and FPS, etc.) and music.  I'm looking at the Omni 5.1 USB but also saw the slightly-cheaper X-Fi 5.1 USB.  I think the only difference is the 600ohm amp in the newer Omni, while...