I have had 41.13 about one week in use and I haven't have the same bugs as ceeceebee. There are lot of software parts missing, but those which I have used are working well and my phone has crash reporter installed but I haven't seen any reports in log and the phone hasn't boot itself or there hasn't been any need to boot the device.

I use MfE and it works like a clock.

The power consumption has improved radically. Now the device holds up to 60 hours in normal use.