I'm still going along the lines of Londrum above. Am creating a detailed cookies page with links to information on blocking cookies. Also near the top of that page have prominent text asking visitors not to continue using my site if they are not willing to accept cookies (I rely on adverts for income so without cookies, visitors are just accessing my info for free).
I know it's vague wording and there's still a chance of a fine, but it seems like they're targeting the worst offenders of tracking cookies only.
I would hope that by going a long way to follow the spirit of the law, if not the letter, that we would be more likely to get a warning and a chance to implement an opt-in. If that starts happening, then i would expect that opt-ins start becoming the norm - which isn't the case now.