Adobe Drops Premiere for Mac reports that Adobe is no longer developing Premiere for the Mac platform:

    Breaking the news, Adobe group product manager for After Effects Stephen Kilisky said: "Premiere is to be Windows-only from now on. We have rewritten the application from the ground up for Windows."

According to the article, the decision centers around the fact that 80-90% of Adobe's Premiere customers are Windows users -- reflecting the success of Apple's Final Cut Pro product.