It`s strange. I tried both browsers and both are working fine.
As a note i must say that whole tour size is approximatly 15m with one pano beeing less then 1m. :(
I have made some tests.
Here Villa tour with music and else while rotating loads CPU for no more then 15-17 percent. Mem Usage by firefox is 150+ at the monent.
My tour without any music make it while rotating CPU usage 30-45% and mem usage 250+
disjo We use Nikon D80 with Sigma 8mm F3.5 EX DG Fisheye lens and Manfrotto 303 SPH. There are lots of problems (like trembling) when shooting in cars. Basically we just put tripod with camera on the drivers seat and take photos. Usually it takes two or three series of shots to have pano with only few parallax errors.