I'm about to start a quest for a Berg NV cab, but which one. Can anyone tell me the differences between the 3? I've heard that the 215 is the best cab for tube amps, this is gonna be for my 400+. But i also heard that the 610 sounds like vintage SVTs. And the 425 isn't mentioned anywhere near as much as the other 2, any reason why? I pretty much stick to rock, think Tool, Soundgarden, Finger Eleven, or Dredg. I've searched the forums, but I couldn't find any real direct comparisons between the 3. Thanks.