I think that both looking at you is good and helps the image have impact. I am not crazy about the read hoof peaking into the image on the right. It this is cropped vertically, perhaps adding more back to the right would be good. I don't think you can crop it out as that gets to close to the ear. Of course cloning is an option if you so desire.
I feel more detail is needed in the shadows for the quasi mono-toned treatment to work. I tried shadow.highlight correction in PS and it revealed a lot of details but introduced a heavy brown tone that may not be to your liking so that would need attention.
I am not normally a B & W fan but this a good choice for the conversion, excellent HA's, leg does not bother me but could probably be easily cloned out.
Craig - interesting conversion. I am normally not a big fan of adding tones to a monochrome and might have done this in straight B&W. Robert highlighted some issues I agree with. I think this might be even better with a pano landscape crop to just show the two juxtaposing faces...WDYT?