Not satisfied with Firefox 3.0.1? Want to see if Firefox 3.1 is really faster than Chrome, as Mozilla claims (though it’s arguable)? Well, last night Mozille released the second alpha for Firefox 3.1. Note the word “alpha.:” Beta is buggy enough, but Alpha starts to stretch the limits a little.Shiretoko Alpha 2 is an early developer milestone for the next version of Firefox that is being built on top of Mozilla’s Gecko 1.9.1 layout engine, Shiretoko Alpha 2 is being made available for