Which Digital Still Camera Company is the Best among Canon, Sony ,Nikon & Others in terms of quality & servic?

You can't go wrong with Canon or Nikon. On the more professional level, Nikon is king. Ease of use, and flexibility goes to Canon. Sony seems to just churn out good cameras, but are often too flashy/pricey.

Check out the "top cameras" on dpreview.com and note which two brands are highest. Good luck!

http://www.dpreview.com/reviews/stats.as...