[jeromec]

The best stack to use is the one you know you can build to a point of getting traction/profitable with. The toughest barrier to startup success is getting traction/profitable, not the stack you use. Technology, esp. in the realm of computers, works such that there is almost always a workable solution given enough time or money, both of which come a lot easier once you've solved the hardest barrier which I've just outlined.