Rob
TPF Noob!
I love my 20mm lens. It is of course double the price of the 28mm, but it might be worth looking through both before you choose.
http://www.bhphotovideo.com/bnh/con...s&Q=&sku=12082&is=GREY&addedTroughType=search
http://www.bhphotovideo.com/bnh/con...s&Q=&sku=12082&is=GREY&addedTroughType=search