Nothing has gone wrong with my Quooker in over 3 years, I have one less thing cluttering my work top and I have instant boiling water whenever a I want it.
I was against having one to start with but I am a total convert now.
Thanks Eccles, that's interesting to know. I watched a clip on YouTube, showing how to descale the tank yourself. It looked quite faffy to me, but OH reckons he'll give it a go.