i'm sure there are many talented .NET programmers who could quickly pick up assembly and become much more productive than you in that language... if they had a good reason to learn it.
That's not how it works. There's a reason unintelligent folk stick to one thing, it's because their aptitude does not stretch well across multiple venues. Programming is like chess, most good chess players play bughouse, losers chess, etc.. .NET is like sticking to 20min chess your whole life. You might get good with t but you have no dynamic range...
