I own a pair of LSi25's and am thinking of getting a LSi HT setup. I have a NADT763 receiver and was wondering if I should get a seperate amp and use the NAD as a pre-amp. I heard that you can get better sound quality using seperate components. I'm also wondering if my receiver can power all of the speakers I'm planning on getting (LsiC, pair of LSiFX's). Any thoughts?