I am still trying to decide on my next lense. One issue that comes up with a number of people I speak with - including my local retailer - is the added cost of IS. While I have it on my 17 -85 canon lense, my only experience without it is on my 50mm lense. That's not a real test.
For those of you out there who have used a big zoom lense with and without IS; does it really make a diference and is it worth the additional cost?
Thanks for helping out.