Youtube user maxamillionschnell has extensive video demonstrations of the Afinia (he disabled embedding for most of the videos), here is the mechanical overview:
There is few data available on Afinia h-series, so if anybody knows more or has any experience, write it in comments or message me.
Afinia is also running a simple contest where you can win their printer, entries will be accepted from October 1 through Dec 31, 2012:
http://www.afinia.com/3d-printers/h-series-contest