What do you mean to cut down on microphonics?  The Meelctronics M6 seem decent for the price. I don't know what to do. It is a very had decision when I read all the bad reviews on each.

I have looked at each of the ones you have all recommended and it is very hard to make a decision. I like the Shure se215's but I don't know about spending 100 dollars for workout IMEs. How do the Sennheiser CX215 stay in the ear while working out/running? I also was looking at the reviews on...

Thanks for the information so far. I did not see any ThinkSound or Brainwavz when I was researching earbuds. Are they reputable manufactures? I did see great reviews on a few Shure IMEs. 

My price range is to keep it under $100. What do you mean by dynamic drivers?

I am looking for a pair of earbuds for working out. I will use them for the guy and running. I like good sound quality. I listen to rock,metal and rap. I was looking at a few and then narrowed it down. The two I have been looking at are the klipsch s4i rugged and sennheiser OCX 685i SPORTS. I...