Portable Rig: Rockboxed Sansa Fuze 8 GB + 4 GB SD ---> FiiO E5 ---> Head DirectRE0 Home Rig: Foobar 2K ---> Creative Xfi Xtreme Music ---> AKG K601 Other IEMs / Headphones: Koss PortaPro, MEElectronics M9 , MEElectronics M6 , Brainwavz M1 , Sennheiser HD 202, Radiopaq Jazz