Using the Overture Bid price tool you could only check on phrase at a time so I wrote a script that lets you check out the current bid statistics for up to 15 phrases at a time. The tool presents you with a set of useful statistics such as the average price, the standard deviation and the number of bidders on each term. Its free. I find it useful and I'd like to hear more feedback on what others would like to see in a tool like this. It allows you to select what market you want to check, so its ready for international use. If your in a market I don't have set up please let me know and I'll see if I can add it. http://web-professor.net/tools/bidstats/
It works pretty well, webprofessor! First try it told me to quit optimizing one of my sites for a couple of phrases, because nobody searches for them...that is very handy to know!