I use Cary SLI-80 with AU 24 and just upgraded my 303/100 to 303/200. I am very happy with it. I loved the 303/100 but it had just ever so slight hint of grain. That is gone with 303/200. And it's fun to play with over-sampling. Power cords and cabling make a difference of course. Keep that SLI-80 properly biased!
Art
Art