I really like my 8 cup too but have been looking for a higher quality replacement due to my lid leaking on the carafe. My thought for you was a size 3 v60 and a stainless 800 ml hario carafe, but the combo looks to be too tall and the lid on the carafe is still plastic. On my 8 cup I’ve decided...
I am using a bonavita 1900ts to make my drip coffee. I’ve only owned it about 2 months or so but the thermal carafe lid has stopped sealing. It appears the rubber gasket no longer works and the lid fits looser. I have removed and cleaned it and cannot get it to seal. Never washed in dishwasher...