Although Sedo seems to filter out certain locations, it's not nearly as bad as the filters of GoldKey - which display a tonn of traffic and then give you revenue for a small chunk of it.
Well I tested them with 300 visits over half a day. They counted 30 unique visits and 2 click for .06 Eur. Now I can get that gumball I've always wanted :cheeky:
Well, maybe I'll test them again in another year.....