At this stage in its life, the Chromebox is most certainly geared to people who very much care about specs. It is not going to be Sally Average who's signing up for one, and really if they did they would likely be disappointed.
Come on Google, use an ARM processor, make it a dongle with a HDMI plug that attaches to the majority of cheap LCD displays, and price it at $99 or free with the first year (per seat) of a Google Apps Enterprise Account.
Now add a local ActiveDirectory proxy as a stadalone router-like box and hit Microsoft where it hurts. (Before Larry does).
Every ad doesn't need to ape Apple, you know.