Making the dot operator act bind-like in C#

I wanted a way to have stuff like this

http://stackoverflow.com/questions/1196031/evil-use-of-maybe...

be more abstract than defining extension methods all over the place. Unfortunately, my implementation is currently too slow for practical use (the time it takes to compile the lambda is too long, ~0.1 seconds on a relatively modern machine). I think that an evaling tree walker would be fast enough to make this project practical, but I haven't had time to implement it.