(Read bold for quick version)   Just bought some second hand DT 770 Pro's (80 Ohms) for £95 (I wanted them asap). They were apparently brand new unwanted extra pair for his friend, never even taken out of box and came with invoice from 2nd Jan 2015, they appeared factory packed.   Anyway I...

I Listen to drum 'n' base and some rock/reggae and I need some new headphones badly, Im thinking Grado Labs SR80 or Beyerdynamic DT770 could anyone help? PS. I would like to decide quickly as I'm impatient with my iPod earbuds rattling and being generally cr*p, I have around £100 to spend...