Blizzard is planning some major changes with Diablo IIIs 1.0.3 update that will bring a number of adjustments to both items and drop rates. Part of the changes will make better items available in more places while also tweaking the drop rates in Hell and Inferno modes. There will also be some changes to grouping that will see the removal of the bonus monster damage in multiplayer games, adjustments to Inferno difficulty, a number of bug fixes and more. Check out all the changes on the Diablo III website.
Source: Diablo III Patch 1.0.3 Details