A new version of ImgTool Burn has been released. The new version now comes in three versions, depending on which Nero version you have (5.5.x, 6.0.x or 6.3.x), so ImgTool Burn now works with older version of Nero as well.
ImgTool Burn 1.1.4 released - A DVD .img image creation tool with built in disc burning support