Canon officially announced their new EF lens 24-70mm f4L IS USM and EF 35 f2 IS USM that will be shipped in December 2012.
-on 35mm Full Fram 24-70mm f4L equivalent 38-112mm retail price: ~1,500$
-on APS-C sensor EF 35 f2 IS USM equivalent 56mm retail price: ~850$
http://www.canon.com/products/consumer.html