Help me choose between AKG K 518LE, Audio Tech.ATH-WS55, Beyerdynamics DTX-501p

[hamdib]

Looking for a headphone to listen to R&B, Soul, Pop/Rock, Lounge, Trip-hop, Nu jazz, Chill-out on portable devices (nokia, iphone, ipad,etc.)Help me choose between AKG K 518LE, Audio Tech.ATH-WS55, Beyerdynamics DTX-501p
1) well built
2) portable (not necessarily pocketable)
3) have near hi-fi audio quality
4) price point up to 90 £ ( max. 100£)

 

[dalethorn]

DTX501p.

 

[hamdib]

How about Audio Technica ATH-ES55 VS. Beyerdynamic DTX-501p ?