The 7700 and 7500 started shipping early this year (the manuals were posted January 19 and shipping didn't start until February I believe). It's entirely possible that some professional reviewers have samples in their hands or that they have reviews being written or already written and waiting for publication, but so far I haven't seen any show up yet. Now, if you look back at the 7500 and 7700's predecessors (the 755 , 770 , and even the original 750) or even their little brothers (the 7125 , discontinued 7100 , and the 7075 ), you can find an abundance of reviews that can give you a feel for how Outlaw makes multichannel amps. The 770 and 755 in particular would be good examples.