Going against pretty much what every review / forum out there said about this type of lens, I decided to buy the Sigma 18-250 f/3.5-6.3 OS Macro HSM. Comparing to the kit lenses I had, so far I'm not really noticing a huge loss of image quality, if any. Here are the two best shots from the past couple of days..
Denver by Day by
Ryan Dravitz, on Flickr
Denver by Night by
Ryan Dravitz, on Flickr