I also have a 2.5 n/a diesel and for a while contempleated a 200 TDI swap. Forgetting the cost (About $5000), I just like the simplicity of the n/a diesel. Yes it's slow, but with a RoverDrive unit I can cruise at 60-65 mph downhill or on flat ground with no head wind. But it's just so darn simple that I can't imagine doing the swap. Everybody raves about the power after doing the 200/300 swap, but mine is for off roading and that little lump just pulls and pulls. My mileage is about 18-20 mpg, but I've just rebuilt the injection pump and injectors so that may go up in the future. If interested in the swap, check out:
http://www.landroverimport.com/products.html
RoverDover, you mention that you just pulled off the power steering pump off, any interest in selling the parts? I have real trouble now driving my Rover as I've had multiple rotator cuff surgeries (Too much white water kayaking) and have been contemplating putting power steering on mine. If interested, I'll post some pic's of my Cedar strip Guilmont kayak, a work of art my father built. No more white water in my future, but this thing is awesome on lakes, and calm water.
Geoff