Top Price Comparison Sites

Well, i ve been in the comparison site market quite a bit so i would like to post the top sites that i use and think that are most usefull.

1- Pricegrabber.com
2- Shopping.com
3- Bizrate.com
4- NexTag
5- DePrices.com

Well, this is a top 5, in my next entry i will post the caracteristics that make this sites for me the best in their category.