@vesuvius: so, you'd rather fly a kite instead of base jumping?
I'm going to put on my batsuit,..
All kidding aside, this is the fastest changing industry in the world. It's either get on board, or get out. I find it very challenging and it keeps my job fun!
I let the managers worry about the costs and the implications, it's not like .Net is going away anytime soon, so don't worry so much about it.