Nikon D3100
While the Nikon D3100 carries a list price slightly higher than that of the company's most affordable SLR, it offers a number of very worthwhile improvements that make it easy to justify the extra cost. Key among these for most photographers will be its better image quality.
Compact; comfortable body; Good ergonomics; plenty of well-positioned external controls; Dedicated Live View switch and Movie Record button; Drive mode switch reduces menu accesses; Excellent image quality from the new 14-megapixel CMOS sensor coupled with Expeed 2 processor; Very good high ISO
No bracketing capability; Auto and Incandescent white balance very warm in tungsten lighting; No in-body image stabilization (but bundled kit lens has vibration reduction; Won't autofocus with older "screw-drive" AF lenses; No improvement in burst speed over predecessor; Built-in strobe doesn't