I think Marc is right and you should consider adding another 112 rather than a 210.
I have two options for cabs - either two 112EXTs or a 410LNT (all Vanderkley). The 410 is awesome. I use my DB751 generally and especially with the 410. However if the space available is tight (or if there are stairs to get up ) I use an Ampeg PF800.
As the review in BGM said the 112EXT sounds great with just about any amp and my experience bears that out. I used to have a TH500 thinking it was the DB751 sound but without the weight but I was wrong so I sold it. The 751 has real heft.
As you don't live too far away, if you want to try any of my gear just drop me a PM.
Kind regards
Pete