Unifying technology definitely has benefits, but I would also consider the risk to morale of telling a good developer to stop using their chosen language. The m

Unifying technology definitely has benefits, but I would also consider the risk to morale of telling a good developer to stop using their chosen language. The main driver of your decision might not end up being the final result of the decision, but the costs of the transition from one language to another. I'm a Ruby guy, but I understand .NET has taken some leaps and bounds in the last 5 years, especially since Microsoft ported it to Linux. There's no clear winner yet for me personally. YMMV.