Welcome to the circle.
I auditioned a Arc ref 5(6 months ago) with my Bryston 28s and I liked it quite alot.
I use a BP-26 pre,if I had too much coin I'd have both,just because of the different qualities the preamps have,just like a cdp and TT.
There's alot of folks out here that say ARC and Bryston have great synergy,I know I enjoyed it.