After 5 weeks with the 770, I must honestly say it's the worst PDA/table type device I've ever owned. Not because of the hardware (I think), or design, or apps that are/are not installed - it's the OS.

I've tried the last 2 versions of the 2006 OS on it, as well as the latest 2 2007HE versions. All versions become completely unstable after anywhere from 3-5 days of use, requiring a complete reflash of the unit each time.

OS2006 runs fairly well, but at some point, it just freezes. Could be the browser, could be the application installer - whatever. Nothing will allow me to regain control, and the only solution is to remove the battery - obviously creating an even worse situation. This usually then leads into the "reboot from hell" - the continuous rebooting of the system, with whatever is running in so hard a run, you can't regain control of it, and it's impossible to shut it down, short of removing the battery - again.

OS2007HE seems to run fairly well, but after about 4-5 days, the browser starts hanging up. Doesn't completely load a page, "freezes", again requiring battery removal - making the situation worse. Again, usually getting it into a state of continuous reboots.

For instance, I've just done a fresh reflash of the latest OS2007HE this morning. I'm simply trying to get a refreshed list of applications - and application manager just hangs - for minutes. Half the time it reboots the 770, half the time, it comes back, but any later operation just winds up spontaneously rebooting the unit. NO OTHER APPS HAVE EVEN BEEN INSTALLED YET.

The last two weeks, I've installed only one application - Maemo mapper, and I still have problems. These problems don't appear to be MM, but appear to be other gremlins inside the OS.

I've either got a lemon of a unit, with bad memory (which I can't test), or the OS is completely unstable.

If anyone has any bright ideas - I'm all ears.