ok thanks. What is a co?Assuming you applied through London, CIC is currently reporting a 27 month processing time for 80% of applications received up to June 25, 2010. There's no newer data than that unfortunately, however, London (for obvious reasons) is one of the busiest Canadian visa offices in the world.
Processing times for federal skilled worker applications processed by visa offices outside Canada
I believe with a job offer, they are supposed to assign a CO within 6 months.