Bryston preamps


Bryston is renowned for their amps obviously. I have a BP 25 into a 14b3 but have a chance to upgrade now to a BP 26 or 17. Should I instead invest in a tube preamp (5k budget) or stick with bryston for synergy. Audio Advisor has Parasound and Vincent. A forum post I read about the Para sound said it might sound to lean With the bryston. I'm looking to buy new this time around. Thanks for any input. Huh there is the George Lightspeed to ponder.
128x128blueranger
I have heard a bp17 cube with a cube amp.  The 17 cube is thin sounding, makes my CD player for the most part sound small and thin.  There is also quite a bit of noise, hiss coming from speakers.
When I went from the BP 25 to the BP 17 I had more bass and the background wasn't noisey.
Is anyone having issues with the BP 17_3 with hiss ? I went to audition one and heard a louder then normal hiss from the left speaker. I might go for the BP 26 instead.