WHOO HOO HOT TOOL ALERT!!!
Seomoz Popular Searches
This is an aggregation of popular search queries gathered from various sources across the web including most of the tools listed in the 1st post in this thread.
"Our latest, completely free tool highlights popular searches from all of these sources, making your brainstorming tasks even easier. There's obviously a lot of uses for this data, so we've also made it available via CSV and given you the ability to go back in time (though right now it only goes back a couple weeks)."
Hot, hot, hot! If you can't find a hot niche here, then one does not exist!
