home: Sony CDP CX-455 --Blueshift K1--> Rudistor NX-02 -> Ultrasone Proline 750, AKG K701
portable: Maxfield G-Flash -> (PortaCorda MkIII-USB) -> Sennheiser HD25-1
work: Laptop -> PortaCorda MkIII-USB -> Ultrasone ProLine 750