there was a 64bit firefox under their beta's or something like that. i tried it and it ran like utter crap. that was a couple years back...i assume they canned it.
1388 for Opera 9.64 Not bad i suppose considering i have a lot of stuff also downloading in the background if that affects the score at all.
I did another test, and it looks like they've optimized and changed some stuff, better scores in all browsers..