Sennheiser all the way! They make headphones from $10 to $50,000 (yes, 50k).
Also, you should figure out what type of headphones you like.
Do you want in-ear earbuds?
On-ear headphones?
Over-ear headphone?
Open-back or close-back?
Noise canceling?
What is your price range?
What will you be using them for? Gaming, music, media? What type of music do you like to listen to?