That's fast! Not really practical for the average shooter, but for mil/leo qualification ranges I guess it could be useful. While not as fast, maglula does have a BenchLoader model that's still fairly quick and probably a lot cheaper. I know some people use the regular LULA model but for me moving the lever back and forth for each round was too slow. I ended up with the StripLULA, which can feed either a 10 round stripper clip or up to 10 loose rounds at once.
I never cease being amazed at all the ways you can burn through ammo faster with the proper application of wads of cash!