http://www.itjobswatch.co.uk/jobs/uk/lotus%20notes.do

This section looks at the demand for IBM Lotus Notes skills across the UK with a comparison to our Application Platforms category. Included is a guide to the average salaries offered in IT jobs that have cited Lotus Notes over the last 3 months to 18 March 2008 with a comparison to the same period last year.

So...  more jobs, slightly lower wages.  Welcome to the new economy.  :)