. I wrote a little shell script that would do this for me automatically at certain intervals, but this seems considerably better.
For example:
Gamestop: Nintendo Wii Most Wanted Bundle is sold out at 2006-12-15 13:05:17
EB Games: Nintendo Wii Most Wanted Bundle is sold out at 2006-12-15 13:05:15
Gamestop: Nintendo Wii Most Wanted Bundle is in stock at 2006-12-15 13:03:43
EB Games: Nintendo Wii Most Wanted Bundle is in stock at 2006-12-15 13:00:26
Look at that. 5 minutes. Lord.