My latest new toy is Tamron 17-50 2.8 - decent lens that is 3x cheaper compare to original Nikon AF 17-55 2.8
The end result is Fantastic !!
Check this one out- all pictures taken with Tamron 17-50 2.8 without using any flash
http://zulphoto.multiply.com/photos/album/303/The_Kid_Central-3