Firefall, Red 5 Studios rather fancy jetpack MMO (one of the project leads is the excellent Scott Youngblood, who worked on the original Tribes games) is heading for some beta weekend plans. They explain: "Firefall’s upcoming Beta Weekends are scheduled Nov 30-Dec 2 and Dec 7-9. These are North American and European 48-hour stress-tests with players encouraged to find bugs, test various features and help the developers improve the beta by providing feedback."
You can sign up here, with the now-traditional pre-order "founders" pack option alongside it. Recent video below for motivational beta-sign up purposes.