Get that card. I found it on Amazon for 108$.(Free shipping)
I am planning to get it most likely. It's a stellar card, you can't go wrong with it.
I plan to get an Amp with it myself, if I can find one I like. (My Headset has high impedence, 150Ohms.)
Anyways, let me tell you about my soundcard experience. People will tell you there is no need for them anymore, that Onboard sound is up to par. That it's just a waste of cash and a dying market.
I, in 2008 decided to purchase a soundcard after I built my first "Major" rig. It was a Creative X-Fi Titanium Professional. I installed it, the driver software, and thought it sounded pretty much the same. Was thinking it'd just take some time. For a few days I was really depressed, thinking I had wasted money. In time, I forgot.
Now, I don't know when it happened, but something changed. In 2010, my Soundcard died...so I had to send it back for a replacement. I plugged back into my Onboard.
I went in-game, to Mass Effect 2, which I had been playing. I noticed something was wrong, voices sounded a little robotic, and muffled, and I had to turn up my volume another 30-40% just to hear. Explosions were loud and music sounded bad. I was confused, but everything on my Onboard was A-OK.
So I got the replacement(Weeks later...terrible weeks.), popped it back and, and it felt like I had just gone from listening to a broken pair of speakers, to fully functioning ones that sounded great.
Also, if you use a Headset, CMSS3D is FReaking amazing. I've had to turn around at times. Also, Creative is the ONLY Soundcard vendor that can offer you Surround Sound in older games, and some newer ones that don't support it by default. Thanks to it's Creative Alchemy which can restore DirectSound.
A soundcard is something you most likely won't even notice once you start using it, but suddenly, if you ever stop using it, you notice just how much it did. I can't explain it.
Honestly the same thing happens to me with any audio equipment. I had my TV speakers replaced with a real surround sound system, A/V Receiver, all that good stuff and it sounded almost the same, of course better, but like "Wow, I did I really just spend nearly 800$ better?" , but I listened to my TV's speakers a month later to test and they sounded robotic, dull, and very synthetic. I think audio equipment is just like that?