I found a bunch of random third-party sites tossing around the figure of 282 (MH/s)/chip.  If somebody can post a link to someplace where Avalon or one of their employees verifies this, I can finish adding them.  Either hashrate per chip or hashrate for a specific product along with the number of chips in the product (which is the other number that's way too hard to find…)

At 282 (MH/s)/chip they would be η=2,909 slightly better than bifury but still behind BFL.