I bought the One Volume but I think I would much rather have gotten the colour versions or wait until the colour versions are released in a one volume.
The thing I hate about the One Volume Edition is that it's softcover. Books that big in paperback don't work. Especially graphic novels. I can't read it anywhere unless it's flat on the table.
There are lots of huge graphic novels that are hardcover and aren't ridiculously priced so I don't see why Jeff Smith doesen't just make it hardcoverrrrr.........