I wouldn't bother with that cab. The 212 models are SO small and so lightweight that giving up the additonal volume and low end for a 210 makes little sense to me. With a 4ohm s212 or m212 and the Puma500, or two 8ohm s212's or M212's and the Puma900, you have pretty much anything you could need.
However, it sounds like they are again changing cab designs. I would be relatively uninterested in a heavier ceramic loaded cab with a grill cloth myself. IMO there.
The M212 is a pretty killer cab, and still relatively small and light. If you are a single cab guy, then the 4ohm M212 with the Puma500 would be the thing IMO. If you want a 210 sized box, I'd get a 4ohm s212 in 4ohms with the Puma500.