I Boot certainly doesn't help and particularly if you try running UR11 with an older image in flash or ver 11 original/UR11 in flash with an older image on iboot as you are effectively using the flash drivers with the iboot image causing an inconsistency.
I am currrently using UR11 on Flash and so far it is the most stable for me by a long way and many of the earlier bugs have now gone in this version including the widescreen bug and many of the recording problems.
However the big problem with the technomate so far is that there is so much disparity between what different people with effectively the same hardware are experiencing and alot of this is down to different variables like whether iboot is used, Is the image a newer version upgrade of an older version, was it loaded with serial or network and the list goes on.......