I've been running 14.2 since Dec 2009 (when I got the PB360) - haven't had a problem at all.
Only 2-3 freezes that I can remember, and I think I was messing around with config, connecting/disconnecting it to the computer, etc. So I may have triggered the freezes a little, experimenting. All freezes resolved by simply removing the batt cover and pushing the reset.
I have never had a crash/freeze just reading a book on 14.2 - I read mainly FB2 format with the wrist-turn FBReader mod installed, no other changes to config, etc.
I keep all my books on a micro-SD, and I eject it to update books and so on. When doing this I first power down the device (push and hold power button) then remove the card, connect it to the computer and update books, then re-insert the card in the device. Then I power the device back on. It usually doesn't read the 4GB SanDisk card at first, but once booted I press the OK button to select "Books" and the device automatically reboots and reads the card the second time - this is a known issue with these SD cards, so I just live with it.
As far as I'm concerned, the PB360 has behaved flawlessly on 14.2 - at least as flawlessly as any other device on the market, better than most! Since reading of the many problems people had trialing the 15.1 firmware, and now the issues with 15.2 stability, I am sticking with 14.2 - I really don't need any new features at all, so why mess with it if it aint broke?!
