I'm wondering what would be the smallest size "single cup" of a light roast that it can brew without compromising its quality vs larger batch sizes. I usually make a 12g/190-200g cup

Not sure either. Try asking in the repair forum

Read my post again, completely different burrs. 64/83mm HU is bimodal traditional espresso burrs and 80/98mm HU is high clarity unimodal burrs

mine too, synchronika v3 By the way my joystick steam valve is squeaky when completely new out of box, tried put on 111 at the ball area, doest work and the valve nut is too tight. I dont know what to do

Really looking forward to the first reviews. I'm very close to pulling the trigger on a P64 but if the Mazzer is good, I will be going for that instead

My guess is changing the beans to something fresher will help the variability and probably the taste as well. I don't know what is available to you in Australia. A suitable scale can be bought for US$10-15. Probably less than the cost of a bag of beans. I agree that it is very important to repeatability and, as a