Codec (2) : the trendy new ones

3ivX Delta 3.5, available from www.3ivx.com

DIVX codec a.k.a. "OpenDivX.component"

H.263 (included in QuickTime) (Note: Apple VC H.263 is a modified version used for iChat AV, which doesn't seem to work for creating movie files)

MPEG-4 (if you have MacOS 10.2 "Jaguar" and Quicktime Pro 6)

On2 VP3 Video 3.2, available from www.vp3.com

Pixlet (if you have MacOS 10.3 "Panther")

Sorenson Video version 2.20.304 (included in QuickTime)

Sorenson Video version 3.10.101 (Standard) (included in QuickTime)

ZyGoVideo Basic, available from www.zygovideo.com

H264 new video codec

Codec Comparisons: In early 2002 - 3ivX winner in the 320x240 resolution

My advice : keep to the standard : MPEG-4 (DivX is quite well known too)

Or H264 in 2006

For More : their comparison http://home.earthlink.net/~mrob/pub/codecs.html