My motherboard's onboard soundcard has intermittent sound issues and rather than reformatting in an attempt to debug the issue, I'm interested in purchasing a standalone sound card.  Looking for a decent one for $100-125 to power my stereo speakers (don't need 5.1).     If there are any with...

In terms of  buying new equipment for my headphones I am fairly new to this.   I have a AKG K702 that sounds mediocre out directly out of the PC.  The sound is coming directly from an Asus P8Z77-V Deluxe motherboard.     I have a roughly $200-400 budget, would the O2+ODAC be a good...