I think that would be great!! Just know that your voting power goes down very fast. A good policy is to only vote once every 2 hours or though. Otherwise, it is not good for you (no curation reward at all) or for the writer. And I think comments are great! We all want to know that someone even looks at our stuff. :)
Obviously, just participating in the freewrites is a plus for the writer - practice, getting a post out, accumulating material to build on and of course the community we are creating here. But I love to be able to reward people. Still learning how this platform works. I am sure with time, things get clearer :)