Decided I will put the Windows 10 Preview on my Ativ S T899M. It's getting on in age and I've come to terms with the fact it will never get updated firmware or official 8.1. I have my work phone to use if something goes awry. Don't know how (or even if) it will work since it runs 8.1 Dev Preview, but kind of excited all the same. It has been a wonderful phone and will help me decide if I want to spend the money on a new flagship once they actually start showing up. Wish me luck and I'll keep you all posted. Sounds like it will be released for download any day now.