I have to agree with the commenters. You should ultimately build on whatever you're comfortable with in order to get your product out the door. If you have to w

I have to agree with the commenters. You should ultimately build on whatever you're comfortable with in order to get your product out the door. If you have to worry about optimization and scalability later, then you will have to cross that bridge when you get to it, but it is a good problem to have. Aside from that, I can say that Node.js is an ultra fast, low footprint platform. The amount of throughput that you can get out of node is pretty incredible.