Aragon 2004 Series 2

Does anyone know how the Aragon 2004 Series 2 differs from the MK II? I've been unable to locate any information from online forums or websites about this distinction. I'm considering the purchase of a 2004 Series 2.
The 2004 and the 4004 were never sold as a "Series 2". There was an original version of each; and a Mark II version of each.

Better look closely at that "Series 2"; my guess is that there'll be a tag on the back that says "Mark II".

In the meantime, copy 'n' paste this into a browser window...