Spacky picks up searches from Google, Yahoo and MSN and displays them side-by-side. Works pretty well, but doesn’t pick up lower search volume keywords and phrases.   Related posts: Keyword Trends Google Keyword Search Tool Keyword Suggestions Tool

Leapfish: The slogan in their search box says it all: you can choose from Google, Yahoo and MSN and get instant web, blog, images, news and video results on one page. Nice!   Related posts: Instant YouTube Search Monthly Keyword Search Volume Compare Yahoo and Google Search Results