Agreed. Identical speakers all the way around is the ideal. And when I get the funds (and the XBL^2 versions are out) become available to upgrade from my JBLs to a set of five Adire HE10.1 or 12.1 speakers I'll have that ideal. But at this level of equipment the slight mismatch (and it is...
Yes, JBL Studio series do a very good job for HT.
I'd strongly recommend ditching the 412 for the 312 and putting the savings into a better sub. I'll repost what I did above for sub options:
I did a direct blind comparison of the S38 and Image 2B (same room, same amps, same source). I choose the S38. I was surprised that the 2B seemed to have more bass, but the mids and highs of the S38 sounded better to me. Whether this is applicable to the rest of the lines I don't know.
I...