What are they going to do about it?
Precisely how that work will manifest itself remains unclear. Apparently, offending websites will be contacted by national authorities and asked to clarify their position.
Failure to comply with the law could eventually result in something being done and the pace being set by the EU shows no sign of letting up, with mid 2010 set as the target for presenting the results.
In case you were wondering what constitutes good and bad in EU e-commerce law, here are a couple of images provided by the EU. The red exclamation mark signifies a bad thing and the green tick how it should look. There is some dynamic functionality in the original images, which you can access here.