I just got a pair of LiveWires for Christmas this year. Tried them a few nights on the gig and had to send them back for a re-fit. They just were not comfortable right off the bat for long periods of wear. This is not uncommon as people with hearing aids need to have them tweaked to get the right fit. I spoke with John Diles (the owner of LiveWires and great guy I might add) on the phone yesterday about my problems, and he said that they will do everything they can to make these right for me.
They also seemed to be a little light on the low end for my taste. John said he would send them back to the lab and have them check the drivers again. I think the angle of the armature can effect the low end response so they may need to adjust that some. The high end was really nice with these IEM's. In these dual driver earphones I wonder if they have the same amount of energy going to both the low and high drivers? Seems that they would need more energy to the low driver and less to the high driver for a bigger bottom end as you would do with a Bi amped sound system.
Diggler do you have good BIG bottom end with your set of LiveWires?
All in All as Diggler said the Isolation is great with the LiveWires and that is what you need with a loud band, or to keep from hearing that winey kid

while you are listing to your Ipod.
I'm sure LW's will do you good and I will keep you posted on the results of mine.