here is a download link for 3.1 Beta via SugarSync :
I can't install the 5.5 ROM via CWM : can't open xxxxxxxxx (bad)
MD5 check on sdcard : OK
Installed from previous nightly with only cache wipe + dalvik wipe.
Experienced huge improvement about smoothness in ROM overall, touchscreen responsivity as well.
For the game I tested, Subway Surfers, there's no lag anymore :)
my feedback after a few days:
- for a real workaround to SD apps which disappear, use an alternate launcher (as Nova Launcher) in the meantime.
- gallery app crash when sharing a pic via sms.
07-31 13:32:39.261 E/dalvikvm(15305): Could...
Downloading and flashing UPDATE zip from this thread did fix root access :