Microsoft today released a new, limited beta for their increasingly popular anti-malware application, Microsoft Security Essentials. The beta introduces a new protection engine claiming better performance and protection, a network inspection system designed to protect against network exploits, token Windows Firewall integration (doesn’t sound all that impressive), and enhanced web protection for anyone who happens to be using...

Yesterday mozilla announced the release of Firefox 4 Beta 1 for Windows, Mac, and Linux. Not all of the changes scheduled for Firefox 4 are available on Mac and Linux yet, however, as major visual changes including the move of tabs to the top of the window (a feature tested and discarded by Apple in a Safari 4 public beta last year) and implementation of the Firefox button for quick access to commonly-used actions are Windows-only ...