Give JD smooth at AVS forums a call, he is the man and can explain everything for you. Theirs also posts about the comparison between receivers. To be honest I dont know a ton about the x1000, more so about the x2000 I dont own eithr I have the x4000. The x1000 has enough hdmi inputs for all of your devices and has a second zone for music. Its 5.1 so if you have 7.1 setup you would need another receiver. This thread goes over the differences between then The 'Official' 2013 Denon "E Series" / "X Series" AVR Model Owner's Thread & FAQ
Specs I pulled form amazon.com
Delivers 5.1 channels of powerful sound (175 Watts) to provide high power and wide dynamic range with low distortion for a superb surround sound listening experience
Features Audyssey Silver - with Audyssey MultEQ, Audyssey Dynamic Volume, and Audyssey Dynamic EQ to enhance the performance of any home theater system
Extensive networking with AirPlay, Pandora, Spotify, & Sirius XM.
Simple & easy setup with Denon Setup Assistant - on-screen graphical display with clear text and icons so you can easily make adjustments and settings during setup
6 HDMI inputs (5 rear + 1 front) & 1 output. Built-in USB port supports digital music playback and charging from an iPod, iPhone, iPad, or other USB device
also check out your local bestbuys for Open box deals. They come with full warrenty and if it doesnt work when you get it home you can return it. I found some great deals near me and they are willing to barter with you if you offer them a price. I got my x4000 for 800 floor model