The last time we ran past Dell's Zino HD all we had to go on specs-wise was that it housed "desktop parts" and had some nice plugs around back. Now the folks at the appropriately named DellZinoHD blog have found a spec breakdown of the unit, which is apparently also going by the names of Inspiron 300 and Inspiron 400 -- the latter of which seems to be slated for the Zino HD branding, or at least seems to mirror the original concept. The Inspiron 300 has more of a nettop slant, with an Atom p