I sort of address this in this report, and on this page (link at bottom) if your interested. Sort of a promo ... you tell me what it is?
http://www.youtube.com/watch?v=hu0zLrMtF-k&hd=1
On my blog http://marcelkuemmetphotography.blogspot.com/search?q=Online+HD+News+Distribution+Quickly+Becoming+a+Worldwide+Standard
And which version, Youtube or Vimeo looks better (this one comes up all the time), plays better and or have more advantages?
http://vimeo.com/14821602
The first two were uploaded as a 720p H.264, bandwidth about 4000. This one rendered back to and uploaded in AVCHD.
http://www.youtube.com/watch?v=plFaQJQ_d44