While it delivers rich three-channel sound when connected to a TV, it also lets you create a true five-channel surround setup pretty much cable-free using a pair of Sonos Play:3 wireless speakers.

WSJ: Upgrade Your Television's Audio With a Soundbar

Some soundbars attempt to simulate surround sound using psychoacoustic trickery, but the sonic upgrade you get by adding two rear-channel speakers to your setup is impossible to beat.

WSJ: Upgrade Your Television's Audio With a Soundbar

The AVR 3700 adds WiFi connectivity, and has 7.2 channels (at 125 watts per channel) for adding a second woofer to your setup.

ENGADGET

The touchscreen itself supports both taps and swipes as well as up to 50 customizable channel icons, and the box lists both online setup and on-remote customization as features.

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The industry-leading 9.1-channel system, it adds four additional channels to the typical 5.1 setup, delivering an enhanced audio performance.

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Of course, while we've seen this sort of setup before (as seen above, check out an awesomely 90s Sega Channel ad after the break) and recently from OnLive and Gaikai, cloud gaming has yet to catch on in a major way.

ENGADGET: Cable, IPTV providers reportedly testing cloud-based HD gaming for launch next year