HeadRoom (headphone.com)

For those of you who like headphones and don't settle with any pair of headphone I strongly recommend you:
HeadRoom

They are very thorough on their reviews and include frequency response measurements they do to headphones using artificial ears.

These helped me confirm I wasn't dreaming about the lack of highs mine Shure SE110 exhibit (in this case I've used the SE210 as reference).



You can see the CX-300 have much brighter highs, unfortunately they also have exaggerated high bass response. Considering price range, frequency response and live tests I believe the Etymotic ER-6 are a better choice than the Shure.