I own the VK50se and the VK 60 amp. I've owned ARC tube stuff before, but not the products on the market currently. This biggest diffence I hear is the BAT is more involving, has more emotion, draws you in better. The ARC is very good, but doesn't get your blood flowing. Both are good, the choice should be made on match to your speakers, taste, and what dealer you like better. That's my 2 cents.
BAT Equipment vs Audio Research
Has anyone auditioned BATs VK 75SE and 50SE. How does this equipment compare with the Audio Research line? I am only soliciting opinions. I know everyone has different tastes and one must trust their own ears. However, different perspectives, by knowledgeable people, is always helpful.