I've been searching for a good pair of earphones and have gone through the Shure SE315, Monster Turbine, Bose MIE2i. All 3 of them have a single driver but with prices of $200, $180 ($103 at Amazon), & $130 respectively. I'm waiting for Black Friday to see if the prices lowers so I'm buying them soon. The question is is the Shure SE315 worth the extra money since it's still a single driver earphone compared to the other 2 I listed or also the Shure SE425 or SE535 which are dual/triple drivers. Part of the reason I'm putting up this thread is because I don't see much reviews of this earphone but I trust the Shure brand!