Prusa I3VS with 12X12 Build area

NICE!
http://www.openbuilds.com/builds/prusa-i3vs-with-12x12-build-area.1620/

That should be interesting.

What is the total cost?

the frame alone looks to be in the 300. with electronics and print head,… my guess is 700?

but then i didnt start the project.

What is the advantage of this style over linear bearings? Just noise?