I still keep the RPX-100 on the TV set to watch movies and concerts. The HD800 sound more than decent with it for that purpose.
With the B22, to my ears, the combination is acceptable, very clean and detailed, in the clinical side of things with poor recordings but not to die for even with good recordings. The Luxman or the Gilmore Reference make a better match for my taste. Around these lands there're lots of people who love them with the Leben CS-300X. But heck, what do I know, I'm a Stax mobster