this is all new to me . I have been reading and saving and reading and saving and now i am ready to BUY!! (asked the missus for some money). I am going to my first demo tommorro and am going unarmed- do i take extended warranty-do take different cable-i just dont know? The eqipment i am going to demo are pioneer PDP436XDE denon dvd 3910 denon avr 3805 B&W MT30+PV1 The reveiws say this is award winning stuff but i dont want to be bullied into buying any thing i dont need PLEASE HELP.