Google's Chromecast
Low cost; cross-platform: works with Android, iOS, Chrome OS, Mac and Windows; lets you put nearly any online video on your TV; small form factor, very portable
Low cost; cross-platform: works with Android, iOS, Chrome OS, Mac and Windows; lets you put nearly any online video on your TV; small form factor, very portable,
No iOS setup at launch, but Google says it's coming; crashes and errors if your Wi-Fi network isn't fast enough; native app support limited to Netflix, YouTube, Google Play Music and Google Play Movies & TV at first, but an SDK will let developers add support to more apps