The Sony Cybershot RX100 should be a very capable camera
http://www.bhphotovideo.com/c/product/869238-REG/Sony_DSC_RX100_Digital_Camera.html
Has a large 1" sensor and bright fast f/2 lens
Has RAW option too. The trick here would be using the highest usable ISO and not zooming in too much, cause then aperture narrows down. Instead shoot at the highest possible resolution & then crop the image on your PC to zoom in
Are there better systems, sure yes
http://www.bhphotovideo.com/c/search?atclk=Sensor+Size_APS-C&ci=8612&N=4288586279+4050180534
All of the above systems have APS-C sensors, much larger than the RX100 above, but then aperture is narrower and most are fixed focal lengths - prime lenses. Besides, they carry fancy price tags too. But then thats the price you pay for having such a large sensor in a compact body, among others
Not to worry, the RX100 should be a pretty reasonable performer