Well i sold my sites shortly after the pullout but did see a drop from 50k+ a month to 7k but my main target was the US so i had 75% US players.
Just in middle of launching a new site so am looking forward to seeing how things are now, with the huge growth in other markets such has the UK and European markets i have no doubt an affiliate can still earn a very good income if they have good seo & marketing skills.