The official response from Referback was that Salon Prive is currently not operational and is under review for a future launch. If when the launch occurs they have pledged to add it into the Referback stats tracking system.
For now that issue appears to be on hold.
The cookies problem is being addressed and a number of modifications have already been put in place. Ultimately I would like to see the duration of the cookies shortened, but I do think Referback is taking steps in the right direction.
Is everything perfect? No. But they do seem to be more responsive lately and thats a good sign.