gimmeheadroom
Headphoneus Supremus
Personally I wouldn't touch the former with a 100 meter pole and it could not be considered an upgrade. You can look at @project86 review where he compared the Pass Labs against Violectric and some other heavy hitters.Honestly though, I am wondering what something else would sound like. I've had my Brooklyn for a while now and it sounds great to me but upgraditus and general curiosity has me wondering if I should try out the Topping A90/D90 combo or something like a Pass HPA-1 + DAC combo to see if there is a world of difference.
My Brooklyn runs into a V280 balanced and that amp is outstanding. Violectric has some new gear out and coming out. Definitely worth looking into.