First iterations of software programs can be buggy. I’m still waiting to see if that OS Steve Jobs came up with a few years back is going to stabilize sometime soon. (Kidding!!) Once, in the middle of a demo session I was paying good money for, the producer exclaimed that I should “…just get a Mac!…” I thought that was unwarranted.
In the meantime, I will probably jump to Win8 soon, and here’s why: Audio handling is superior in this version of Windows. Rain Computers (which specializes in custom-built computers for audio engineers, musicians, voice-actors, and others needing intensive audio handling) did an early and thorough test of Win8. You can read their analysis here.
Win 8.1 (free upgrade) is now out with a ton of new drivers, and they brought back the “start” button. Here’s a page with a list of some of the more popular driver downloads you might need.
Finally, here’s a useful site I found for fine-tuning your audio interfaces in Win8: Windows 8 Tuning Tips for Audio Processing.