Although there hasn't been much new in the QuickTime world for a while... this
announcement is a significant one:

Apple has released a professional quality QuickTime decoder, and it's available
free for both
Mac and Windows. The information from Apple's site is below:


About Apple ProRes QuickTime Decoder 1.0 for Mac

The Apple ProRes QuickTime Decoder software allows both Mac and Windows users to
play
Apple ProRes files through QuickTime. Apple ProRes is a visually lossless format
that
provides uncompressed HD quality at SD data rates.

It is an excellent choice for mastering and can easily be transcoded to
distribution formats
like H.264. With new support for playback on both Mac and Windows computers,
Apple
ProRes can also be used for review and approval of Final Cut Studio sequences.

http://www.apple.com/support/downloads/appleproresquicktimedecoder10formac.html