A good electric kettle is faster than a microwave, and a lot faster than the stovetop. The reason the kettle works so well is that the heat is contained, and all the heat goes towards heating the water. With a gas flame or an electric element, there's heat loss around the edges.
It's possible that those induction stoves are just as fast; I don't know. But, I have a $40-50 electric kettle, and I like it. Since it takes about two minutes to get hot water in my kitchen (I might be exaggerating, but it takes too-damn-long, even when you think "Okay, I know this is going to take a while, so I'll be patient.") I even use it for minor bits of cleaning, now; boil a cup or two of water, and put it into the dirty, greasy pan with a little soap and let it soak, and such.
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It's possible that those induction stoves are just as fast; I don't know. But, I have a $40-50 electric kettle, and I like it. Since it takes about two minutes to get hot water in my kitchen (I might be exaggerating, but it takes too-damn-long, even when you think "Okay, I know this is going to take a while, so I'll be patient.") I even use it for minor bits of cleaning, now; boil a cup or two of water, and put it into the dirty, greasy pan with a little soap and let it soak, and such.