No way to root it yet. You have to root v7 then upgrade using MTs AIO to V8.
Sent from my VS910 4G using Tapatalk 2
You can flash v7 over v8 (using a. Tot file) , use mtmichaels root maintain script and then Ota update to v8.
Sent from my VS910 4G using XDA
I rooted my Revo while on 2.3.6 and installed CWM using the Revo All in one Thing
here:
http://xdaforums.com/showthread.php?t=1348557