There are many sites containing more information about Erasmus and studying abroad.
ThirdYearAbroad is a website that was set up to help students who are looking to study or work abroad – run by a former language student. The site has lots of interesting information: www.thirdyearabroad.com
At the below QAA page there is a podcast relating to student mobility in Europe: http://qaa.mypodcast.com/
The publication which it's linked to can be downloaded here: http://resource.nusonline.co.uk/media/resource/Studentsabroad.pdf