It's been a long, long time coming for Pentax lovers with big hands, but the medium format 645D is finally nearing completion. Announced way back in March of 2007, the former 30 megapixel concept is now a 40 megapixel monster, relying on a Kodak-sourced 44 x 33mm sensor that's more than twice as large as those found on your average DSLR. To make room, the camera itself is naturally bulky, but the control layout is said to be very similar to the K7, so users should be able to get up to speed quickly -- after performing the r
