MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
I didn't keep track of all the print times, but based on the few that I remember, I would guess around 275 hours.
As far as your 2nd question, scroll all the way to the bottom of the comments. Look at the first comment from mattbesquare. Your answer is there.