28mm Platoon in a Day - The Theory

I have this theory, and it goes like this: if one had 30 odd miniatures already prepped, cleaned and based.  And one also had the paint scheme sorted, with sufficient paints and brushes handy.  Then one could, in theory, with the use of the Army Painter product could paint 30 odd miniatures to completion in a single day.

They'd be no Golden Daemon award winners for sure but they'd have to look a whole lot better than this:

I have a day home next week and I'm planning to put this theory to the test.  So I need to decide, do the US Paras or Fallschirmjagers?