Three years ago I got interested in headphones. I wanted to buy one that would last long and provide really great sound quality. After searching for a while, I bought the Sennheiser HD 25-1 II. It's been three years and I'm still using it everyday. Whether it's for listening to music or podcast during commuting or at home while watching movies/series or listening to music while surfing the net. The sound quality is really great and provides real value compared to some cheap headphones. There are other great brands, but Beats by Dre aren't one of them. If you want to go in-depth, you will have more info on this forum : http://www.head-fi.org/a/buying-guide-headphones-by-price-range
To check the Sennheiser HD 25-1 II reviews : http://www.head-fi.org/products/sennheiser-hd-25-1-ii-professional-headphone If you are buying a high price headphone, don't download your music on Youtube or download some cheap 128 kbps songs. Try to buy/downoad 320 kbps mp3 or FLAC files.