You will need to look at DSLR (digital single lens reflex) cameras to get what you want.

The smaller cameras with 14 and 16 megapixels are walking a tightrope regarding picture quality. Many of the new small cameras have worse image quality than the year before.
Just too many pixels on a too small sensor assembly.

You need a camera with a much larger sensor assembly, like any of the DSLR cameras.

Look at any of the entry level DSLR cameras.

The most popular are :
Canon 500D/T1i
Canon 550D/T2i
Nikon D3100

..