Looks like it might do the job for you but I would contact the manufacturer and ask for benchmarks. Since they specify RAID 3 that implies they might have an Areca controller inside but they could not do that for a $199 price. Something sounds wrong. Maybe they are doing RAID in software then it is a worthless piece of junk.
Were you thinking of connecting both the desktop and the macbook simultaneously? I hope not
I am not very familiar with the Mac side of this forum, you may want to call Eric at ADK as he has lots of excellant solutions for both OSX and Windows
Here is the relevant thread on Cow - but then if you the OP on that thread, you already know it.
The box does have decent performance numbers, is very well made, and should be good for light duty editing. Note that volume is 75% full so these aren't the best numbers.
thank you, i'll take a look.