My name is Jeff and I just completed the build on my Rostock Max v2, it took 22 hours total over 5 days. I also own a PrintrBot Simple which, even though it needs constant attention, is an incredible little machine that I can stare at for hours while its printing. I can't wait to start printing with the Max!
I am about to begin the [seemingly tedious] process of calibrating the Max and will hopefully be able to print the fan shrouds today!
Wish me luck!

Jeff