Try taking pics in low light, at night, candle light whatever. Prepare to be let down.

The camera you want for 200 or less doesn't exist. Well at least the great pic quality and no noise thing, the bells and whistles you can get.

Go ahead and get the Canon if it has the features you want. The pics are not going to have any more noise in them than those from Sony, Nikon or Fuji in the same price range.

Take a look at this canon http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=144&modelid=17480 it has everything you need, but the zoom is a 10x optical. Better to have the extra reach, how often do you go to japan? It's a bit bigger, but not too much. The list is 249 which means 199 or less would most likely be the street price.
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hope i helped
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Experience