Is the Mac Pro going to be worth the wait? How much faster will the new Mac Pro be compared to the iMac Wait for a Mac Pro or get the iMac now? Should I buy an iMac or wait for the new Mac Pro is a pretty good question for any discerning Apple fan. The iMac is available now, and comes with a built in display; or should you wait for the Mac Pro (second edition)? The second-generation Mac Pro is rather sweet looking; although it’s not out until December, it could well be worth the wait. But which Apple Mac ensures the right amount of power? A top of the line iMac can be upgraded with faster processor, more powerful graphics card, and extra RAM. Will this make it as powerful as a Mac Pro