Here's a good example: http://i.imgur.com/zpjPl.png http://i.imgur.com/zpjPl.png I added the white lines in Photoshop - with acceleration on, the "Reports in S

Here's a good example: http://i.imgur.com/zpjPl.png http://i.imgur.com/zpjPl.png I added the white lines in Photoshop - with acceleration on, the "Reports in September 2010" gets both narrower AND bolder, resulting in a very squished, very ugly presentation. The calendar headers are likewise far less clear. http://i.imgur.com/gVFYk.png http://i.imgur.com/gVFYk.png is from Basecamp - note the vast difference in navigation width, and the width of the "Comment" in the blue box. http://i.imgur.com/LgGOJ.png http://i.imgur.com/LgGOJ.png is the Basecamp nav item blown up - the box on top is accelerated. It's thicker, more narrow, and it's got all those crazy colored artifacts.