Interesting to hear. In 2012 my etimotic research i6's had finally broke beyond repair. After reading reviews I replaced them with the Shure se425. I was incredibly disappointed with the lack of base, and couldn't quite perceive their "incredible soundstage". To the point I thought it was me...

Dubstepnext: I've owned the 425's for about a year and have been underwhelmed by them. I too find the bass lacking, thus leaving the listening experience without the anticipated "sound-stage", even with a good seal. I've owned the etymotic er6 and er6i for about 5 years. I found them...