EdIT: I beat your Edit bronco
I also agree with everything that has been listed (with the exception of OP )
Jackie Chan vs His bodyguard in Drunken Master 2:
This is up there.
Who Am I deserves to be mentioned. Classic Jackie, but the taekwondo guy is amazing too
Loved that Who am I scene so much that I had to check out the building when I was in Rotterdam along with other buildings that were prominent in the movie^^
My favorites along with many other scenes by Jackie. But in general so much awesome stuff in this thread =)