Yep - although looking again at RockMiner's timeline, I'm guessing they're all the same chip. Gen3 (BE200) or earlier? For everything they have?
RockMiner was created specifically to build BE200 miners for sale and self mining. The CEO used to be an AM gen 1 reseller before that.
There should be two types of BE200 though, a.k.a. gen 3 and gen 3.1, but there was never any real info released about it (what a surprise) so I'm not sure what he actual differences are between the revisions.