Do you use adwords for traffic? This tool lets you see competitors' ads
 

If you use Adwords for traffic, get a peek at competitors' ads using labnol.org/google-adsense-sandbox You can even select ads based on COUNTRY (since bid rates vary).

For content you can drive your adwords traffic to, check here, here, and here.:thumbsup

Siiiiiiiiiiiick :thumbsup

http://www.google.com/insights/search/

With Google Insights for Search, you can compare search volume patterns across specific regions, categories, time frames and properties. Very useful tool for all niches.

that didnt work for me.

I used adwords for a lot of things.

Keywords, phrases, domain names, traffic, tracking, etc..

Good call on domain names. Great source for domain trends.