As we near the release of the first major update for the Firefox 2 build (and the last for the 1.5 build) I still have people asking about Firefox 3. Mainly what is going to be different and new with Firefox 3. Our buddy Ryan over at CyberNet News has compiled quite the list (with links) of the possible Firefox 3 features. Some of the big ones of course are going to be: Places Acid 2 Compliance (Alpha 2 & nightly releases) Cairo rendering engine Double-decker tab bar (anything gotta be better than that horrible Tab Overflow feature) The next…