Wonder if anyone can help with a few questions: Is 6.1 just the insertion of an extra center rear speaker? And what does 6.1 actually do? Is 6.1 really worth upgrading to and what benefits would I get? (is it just yet another upgrade in a long list of slightly unecessary upgrades?) What is the difference between the different types of 6.1 formats I have been hearing about (discreate, ex and others I cant remember the names of??) I have just ordered a new amp that will do 6.1 and just wanted to know if its worth yet more expense?? Sorry for the many questions but I guess thats how we all learn?? Thanks all!!