I cannot speak for GarageBand, but I do know that Sony’s Acid has copyrighted loops available for purchase (from Sony and other sources) that need to be licensed – If you have any loops that you acquired separate from GarageBand, you would need to check the terms of your EULA (for the loops) to ensure they can be used in a commercial venture.
For video editors, finding the perfect portable workstation is like catching a unicorn. It is no easy task to find the perfect balance of performance vs price point.
