I may be corrected on this but I would really consider the 17-55mm f/2.8 to replace the 18-55mm f/3.5-5.6 non-IS. It would be very much the same with the 18-55 in terms of reach but IQ wise and the ability to stay wide open through out the focal range. I'm sure you would be very happy with this lens. I don't have it but I wish I can have it and replace my current kit lens 18-55mm IS.


I'm sure other great people in TDP will chip in some recommendations for you soon.


Cheers!


- Angelo