I have Aego M 2.1 speakers and Sennheiser HD 598 headphones.  Currently I'm using onboard sound.  I'm thinking about purchasing a Xonar Essence ST sound card.  Would this be over-kill?

Hi,    I'm looking for a pair of full sized headphones.  My budget is up to £220/$350.     First priority:      Music - I listen to (mostly) Radiohead, Led Zeppelin, Pink Floyd, Rush, Muse, Sigur Ross, and Classical music.   Second priority: Games - all kinds, but I care more about...

I have just bought a pair of Sennheiser HD 598's. I have these connected to my Edirol UA-4FX Midi device (http://www.rolandus.com/products/pro...?ProductId=758). The sound is a little better than my onboard sound (Realtek HD), though only when I use the "Low Boost" and "High Boost" knobs to...