Pros

Cons

.avi

Excellent Quality. Minimal loss of packet data. Best to use for a CD or DVD

Huge file size, not ideal for streaming or downloading if file size is to big

.mpeg

Smaller file size. Good for downloading and syncing with MP4 players

Conversion can lose data and result in poor image quality.

.mov

Excellent compression. Good quality.

Can only be played with Ipod, Quicktime or Real Media Player

.swf

Excellent compression system. Good for streaming video, good balance between quality and file size.

Quality is dependant on compression program that is used.

.wmv

Excellent compression. Good for streaming video

Compression issues can include grainy textures.

.flv

Excellent compression for longer, high motion videos

Quality is dependant on compression program that is used.