Indeed. From the SN website:

...In the context of our joining Star Alliance, and subsequent access to a global network, b.business is an essential requirement for our business customers. In fact, we have a number of improvements coming up over the next few months for these passengers, as well as an enlargement of the scope of our Frequent Flyer programme...

http://company.brusselsairlines.com/...=tcm:141-19301

I would only hope that these are not improvements in the sense of the enhancements at (F)lying Blue.