I liked #3 best of the first choices,but that gray you just posted is certainly a looker, but you didn't say anything else about him. His neck might be a little thick? But maybe that's the angle of the picture.
Have to say I like the new contender. Of the first three I liked the third on the best. Number one looks like she has an incredibly short neck (but perhaps its just the angle?) and not much to look at in general. Number two (like someone else said) looks like he's been ridden front to back which be a pain in the butt to fix. The blue roan is adorable (I have a soft spot for blue roans lol) but without a good side view you really don't know what they look like without going to see him.