Our Panasonic has finally given up the ghost, with a broken internal door catch mechanism. I have a go at most things but I really believe this one is not 'user serviceable' () Time for a new one and I can see advantages in using a flat bed model. We had one without a turntable, several years ago and there were definite problems with hot spots. The recently defunct one was very good (using chaos defrosting, which was also very clever and effective). There is a new generation of what they now call 'flat bed' technology. Does anyone know how the 'mode stirring' is achieved these days - is it different from the rotating paddle in the roof that our old one had? Is it any more effective and why? I need to order something fairly quickly as my morning porridge is a regular treat. I should appreciate some background expertise on this, guys.