Forum Moderators: open
67 Google - (i.e., on Google, we spend 67% of what we spend on Overture)
27 Findwhat
10 Sprinks
8 Overture UK
7 eSpotting
5 Kanoodle
3 7Search
3 Ah-ha
3 Bay9
That's a rough comparison of their relative traffic, using dollars spent, for a constant set of keywords and phrases, although Google & Overture are more expensive than the others of course, and that throws it off.
FindWhat gives us single keyword coverage we couldn't get cost-effectively on Overture.
I know the roughly 4 times ratio of Overture/FindWhat traffic-or-cost is off if you base it only on our experience, but I don't know what the realistic ratio is. Certainly based on ours and your experience, the relative traffic varies wildly.