Please go into more details why you think that. After the first buzz of the semi open beta I didn't hear _anything_ about Atom. And last time I checked it only worked on Mac and I couldn't even compile it myself on Linux. Beside having a great idea it is also important how a project is executed.
Compiling on Linux is relatively easy now, though I still find Atom far too slow for everyday use. In my view it has a long way to go in regards to replacing Sublime.
they have a beta version for windows now.
Not sure about that. It eats processor cycles and chews up battery life. For no discernible advantage.