Did some experimenting last night with some movies and Blu ray concerts. To ME, the small setting with xo at 80 sounds the best. I tried Mains Large, small xo 60 etc. Thanks for all who posted welcoming me, this is an awesome sight! One of my favorite "demo" discs is The Eagles Blu ray from Australia, played it last night and the 7's made that disc shine even more. Very happy with the purchase thus far.