just getting started, currently on the desktop M-Audio studiophile AV40 that serve as my headphone amp, and sony mdr-v6 headphones, moved up from senn hd270 that are many years old and now play pink noise next to my pillow. in the front room 7.1 yamaha htr-5063, lg 55" passive 3d, LGBD690, Jamo towers & center, klipsch surrounds in ceiling, old sub needs upgrading.