Mareketing Resources..
What people are buying search.store.yahoo.com/OT?
Knowledge Source For Marketing www.knowthis.com/
PlunkettResearch.com

Real Time Searches...
www.altavista.com/web/real_searches
www.metaspy.com
AOL's What's Hot - updates every 12 seconds

Search term suggestion tool…
inventory.overture.com/d/searchinventory/suggestion
adwords.google.com/select/main?cmd=KeywordSandbox

Top Searches…
50.lycos.com/
buzz.yahoo.com/
www.google.com/press/zeitgeist.html

What Your Site Looks Like To Search Engines...
1-Hit Search Engine Simulator See how search engines see your page! (useful for content based search engines)
Meta Tag Analyzer - See how meta tag based search engines view your site