No experience withe their 2x12" cabs......but the XXL cab with
v 30 speakers is REALLY good, the ones with v60 (4x12") sound really boomy and strange, no mids, fizzy top end, too much bass, not nice........ The XXL is balanced and has a really even tone, an other brand to check out is Hughes&Kettner CC or VC series cabs, they come with Greenbacks or V30 speakers.........However,
one should not ever buy a cab based on what speakers are mounted in the cab, that really doesn't tell you anything about how the cab sounds, a good example is the Engl XXL and the Mesa recto cab, same speakers, completely different tone. the final tone is a sum of many things happening with the cab itself when played through, and personally I wouldn't mess around when buying a cab since the cab is half the tone and a bad cab can totally ruin your tone (I've had this happen to me on a few okations when I had to use someone else's cabs, the head was a Diezel VH4 so no complaints in that department).
Personally I would go for a cab that has an even tone across the different frequency ranges. That allows you to use your EQ to a much fuller extent and you just get more out of the amp that way.
.....just my 2 cents on the cab issue..... :D
