Two 210's or a single 212

[FirewalZ]

So the the Mesa 212 is louder and more solid than the pair of rumble 210s?

Yes...with plenty room to spare. They are in two different classes of products, so its probably not a fair comparison. I like the Rumbles just fine, ill keep a 210 to leave at rehearsal, but the other one is getting sold
It hard to describe, but there is so much more "weight" to the tone, more clarity and fullness.