Hi,
I am planning on buying a pair of IEMs.I currently own an EP-630.
Now I plan to move up.

.I own a Cowon D2+(it rocks) and a Nokia
N73 ME.Please suggest which one I should go for.My options are:
1)Head direct RE0/RE1/RE2
2)Nu force NE 7M
I also plan on buying a Fiio E5.
I generally listen to rock,blues,metal and classical music.Weird tastes

I know.I want both detail and bass.