I am looking to save money and based on what everyone has said I've decided to buy the m50s. Thank you all for the advice.

I have a 4th gen ipod touch. Would listening to the m-50s with my ipod through an amp make a noticable difference from listening withought an amp?  Thank you both for the advice and sorry for such a late response.

*bump*

Hi, after a good amount of research, I am torn between whether to buy the Audio Technica ATH-M50s, AKG K550s, or Sennheiser HD 25-1 ii. I will be listening to music through my 4th genereation ipod and listen to mainly rock, electronic/ dubstep, and rap/hip hop. I also will purchase a relatively...