Being new to this whole HT addiction, I am considering buying the Denon 1803 when it comes out in fall. Seems as though it will be very much like the 2802. I definitely want to be able to expand this system in the long run and maybe get a good few years out of it before having to upgrade. I am considering the following: Denon 1803 (http://www.denon.com/catalog/pdfs/avr1803.pdf) Yamaha 5560 Sony 1075 Onkyo 600 Opinions? Comments? Suggestions?