I own a pair of XB1000's, which I use with my iPod Touch 4th Generation (64GB), I use the MyTunes Pro app to enhance the audio quality (I have all ALAC files), but the bass is lacking, and I know from experience that an amplifier will noticeably pump the bass, but I am having trouble choosing...

I don't know if this type of thread has ever been created, but I am interested in buying a high quality portable audio player that plays FLAC audio, as well as a high-end portable amplifier. I am currently using a 4th generation iPod Touch (64GB), paired with a Fiio e5 amplifier and Sony XB-1000...