Sigma 10-20: going wide

I splashed out on Monday afternoon on a Sigma 10-20mm F4.0-5.6 EX DC HSM in O’Leary’s Camera World. Prices are good at around 499 Euro, comparing well with those I found at Pixmania and elsewhere online. Sigma are based in Bandon, Co. Cork and I guess that helps to keep distribution costs down. First impressions? [...]