Robbie - don't know if you have used the applicant status tracking tool that is on the VFS website or not, it doesn't provide much information, but is worth checking from time to time. Also 7 weeks is 35 days (5 working days per week) so it's unlikely there would be much news yet as from past performance only 21% of settlement visa applications will have been processed in 40 days and 91% processed in 60 days.

We are in a similar situation as you but expect to have some reponse in the next month or so..

Hope this helps....