I currently use the ATH-M50s for my fullsize headphones and I really love them. However, I have a pair of old Sennheiser CX300's which have had their time. I think their mids and highs are pretty terrible so I'm looking for a new pair of IEMs which meet the following preferences around the $100-150 range, preferrably from a Canadian dealer, or one that has decent shipping to Canada.
-Even sided cabling
-Good build quality
-Great for rock and heavy metal