Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
you can check out Extended Product Grid with Editor, it saves a lot of time on editing products. It will also enable you to sort products in the admin panel by any attribute, including additional ones.