i like the first and last one... i think i like the first one best, but i don't know if it would go with your current furniture as well- is it mirrored? the last one would definitely go well...
I like the first one but I'm not sure how it'll look with the rush seated bench. And I think the last one is a little too misson style. Here are some other suggestions:
Here's a link to all of these (they also have several others). HTH!
I really like this one. I think, since it looks pretty delicate, it would be a nice contrast to the more substantial-looking clock and dining table. I love mixing different styles a bit.