Hi Andy,
Bizarrely I was looking at the Sigma 10-20mm f/4-5.6 EX DC HSM about an hour ago. Im trying to persuade myself to buy a D90 as I have for years, but with a new job Im fortunate enough to have the cash now! How do you rate the sigma and did you get any of the Nikon kit lenses with you D90 how do they perform? A lot of reviews dont have great things to say about them, but I think they may be a bit OTT in their criticism.
Andy