When I bought my rear speakers last year, the guy (very knowledgeable and reputable)told me I did not need a center rear (for 6.1) because his design of the rears was so good that it eliminated the need for a center rear. Someone recently suggested to me that this is good advise since the design of speakers shoots sound in 2 directions (forward and toward center) and that there was very little DVD software sending any info. to a 6th channel (center rear) anyway. Thoughts? And if the above is true and I don't really need 6.1, why did I get a receiver capable of 7.1 (Sony DA5ES)?