We update the BeOS Ready Systems page on our web site as soon as we have verified compatibility with the BeOS, one way or another. Really, we are maintaining this page!
When new machines come out, from any manufacturer, we have to obtain and test them for compatibility, and evaluate how supporting that model will impact our engineering efforts.
We're a very small company (fewer than 30 engineers!), and so even testing and evaluation can take some time. Please be patient, we really do put this information up on the Web as quickly as we can!