This is an article from The Times online detailing the possibility of embarking on work exchange programmes before taking the plunge and moving abroad.
These placements can be very useful if you have never visited the country you intend on moving to as you will spend a limited amount of time there but will be able to gain an insight into the culture, work ethics, nightlife, social happenings and expat community. It will give you the opportunity to make an informed decision as to whether you want to move or not.
The article is an informative piece on the possibility of work exchanges and also about considerations which need to be taken into account before moving.
Read the full article: http://www.timeshighereducation.co.uk/story.asp?sectioncode=26&storycode=402212&c=2