Google Adwords SUPER Tip #7...
TURN OFF CONTENT SEARCH
This may not be for everyone, but I've found traffic from Search results better and higher quality than those culled from Content networks, for Google Adwords campaigns.
So I always turn off CONTENT results while I start a new campaign.
Here's one ad where my CTR went from 0.1% to 0.4% -
Turn Your Ordinary Business Into A Cash-Flow,