I've been looking for a headset to use with a Modmic 4 from Antlion to replace my current headset. I was looking at the Akg K612 and Audio Technica Ath ad900x. The Akg didn't seem to have as great of a soundstage as the Audio Technicas but the Audio Technicas seemed to lack bass. I prefer to use open headphones. All suggestions are welcome. Also I wouldn't like to have to buy an amp, but will if necessary. Also what are some good amps to use with a desktop PC?