I have the 1600 with a wired connection.
We still have a 4:3 480i NTSC TV.
The cable box works best on composite, so we have the Blu-Ray player on component.
We have it set to 4:3 480i but the YouTube application doesn't respect that and still wants to show in some other higher resolution. (It looks wavy on the screen. If I unplug the cable box and plug in the Blu-Ray with composite, I can see the YouTube just fine.)
Same with Netflix and Blockbuster, also broken. Pandora, however, is fine.
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