Mac or SnapOn toolbox?! Why or why not?

I'm on track to becoming a fully licensed mechanic and right now I'm looking for a toolbox. Not just any toolbox. But the BEST toolbox. If anyone on here is actually a greasemonkey like myself or just into cars advice and your thoughts would be appreciated. However, please only vote if you're serious about it and can give a why or why not on your choice, as people who arent maybe as familiar in this area may not give as accurate or meaningful advice. Thank you so much in advance!