Check the official site :
http://www.cic.gc.ca/english/department/media/releases/2010/2010-03-16.asp
And Unofficial site:
http://www.workpermit.com/news/2010-04-06/canada/canadian-immigration-changes-from-this-week.htm?newsletter=10423877f8f1284758ae7d3734ad8f6c
Looks as if the list of 'occupations in demand' will be changing shortly, so if you're currently eligible as a SW and thinking of applying, don't delay.
i don't know but seems like some of the computer fields are going to have tough time because lots of computer people are coming from USA side on Alberta's H1B program. I think they call the program "Strategic Recruitment Stream for U.S. Visa Holders "
no changes yet, even I have no information abt any change comming in near future if anyone has such link for near change kindly share, else consultants always thread everyone to come soon and get regoistered for giving such nonsense arguments .