I just bought a pair of HD 598 and noticed that I would get an occasional ting sound, almost like a prick with a ring, in the right cup. Has anyone else experienced this and should I be worried? I've contacted Sennheiser and still waiting for a reply. 

I haven't seen many people compare the two. Which one is better? Also, can these two browse the web like actually go on reddit and not just an app store?

I'm new to headphones and was looking for a pair with punchy bass, good highs, and good depth for around 200 or less dollars. I don't mind if the set up involves getting equipment that will exceed 200 (I'm expecting it to). I just want the headphones to be $200 or so. I was thinking of getting...