Thanks for the good replies guys. I am most likely never going to give up the ie80s. I am just looking for something with a full sound and great soundstage now. It doesn't have to have the huge overwhelming bass of the ie80s, however solid bass wouldn't hurt. I do not like the way the um3x sounds, although I will most likely keep it. For 95% of my music, the ie80 does it right. I would prefer to stray away from that closed in sound the um3x has. Interested in a big soundstage, bass doesn't have to be as big/heavy as ie80. In trading off bass, I would be interested in gaining soundstage, details, overall complete sound. 60 percent fun, 40 percent analytical.