The Rosewill Green Series power supply is a model that is no longer in production but is still available at some online vendors. Hardware Secrets performed a technical review and recommended the psu. Here is a link to the review:
Oddly the Corsair 650 watt psu you linked to was never subjected to a competent technical review by a web site that has the appropriate equipment and people to perform rigorous testing and in-depth component analysis. That is unusual because all of the other Corsair models have been reviewed by numerous web sites. Overall Corsair power supplies have a reputation for quality and performance.
Here is a link to a list of recommended power supplies: