Quote Originally Posted by Lifepower View Post
Also, 24-bit pixel format is not supported on any of the today's video cards.
Not internally, but it is as texture. If you don't use alpha, it is better to keep it 24-bit, and only expand during uploading, otherwise you afaik waste videocard bandwidth (example: showing images from camera's)

And effective texture upload sizes aren't getting faster as quickly as rendering.