Tips for quick jumping back and forth

[C K Kashyap]

Dear Emacs friends,

I need some tips for quick jumping around. As in, say I'm editing a line and need to go up a couple of paragraphs to edit something and then resume at my original position. 

The way I used to accomplish this in Vi was using mm to mark the current position into m register and then go somewhere and come back by pressing 'm

Now, I know that in emacs I can do it using C-x-r-<SPC> to mark a position into a register and then jump back to it usng C-x-r-j ... is there a better way? Rather, what's a better way?

Regards,

Kashyap