+1 Trying to quickly build something based on Mono will probably result in a subpar solution, that they won't be able to really fix later on, because it would b

+1 Trying to quickly build something based on Mono will probably result in a subpar solution, that they won't be able to really fix later on, because it would break backwards compatibility. End result will be half-fixed solution with some great technology, but with just enough underlying issues that will remain there forever. Classic Microsoft.