What size/resolution is acceptable for FLV (in today's world)?

Hi!
I'm experimenting with video compression in FLV format. I don't know if my resources are outdated, but they seem to tell me that a size/resolution of, say, 240 x 136 is an acceptable size (I'm working in 16:9). This seems pretty small to me, especially by today's standards. For example, YouTube videos (and many other sites I've been on) have much larger videos than that. I want my videos to be comparable. So, I've been experimenting with 640 x 360. Am I crazy? Or, has this become one of the common standards of video size in today's tech-advanced world?
Thanks for your advice!
Vixter

Well, that's a question that can be answered many ways.
Personally, I've read that having the dimensions divisible by a power of 2 (8, for example)
makes encoding/decoding more efficient. So for 16:9 media I use 600x336.
It seems to look pretty good and work well with most net connections.
That's using Flash vp6 with a reduced framerate for maximum compatibility
across platforms.
For media that is shared among people with good Internet connections
and updated Quicktime, I'll go 1280x720 using H.264 for better image quality.
Don't forget that preparing the footage for compression can make a big difference.
If necessary, boost gamma a bit to bring out details. Crush the blacks. Etc.
The best way to make this type of decision is to take a test clip, encode it with different
resolutions, and watch it in different online situations (friend's house, at work, in a café, etc.).
What works?

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