Here's a video of his movement:
Both sire and dam have good movement and appear to have fair conformation, though they have no straight conformation shots of either on the website.
So he appears to be a bit turned out in the hind legs, how would this affect him? His bum is up there, but with a yearling, his shoulders could easily catch up. I've seen nicer cobs out there, but they all have another digit to their price tags, so I'm trying to get the nicest cob I can really afford. I'm not looking to win major competitions, just have a nice hobby sporting cob I can be proud of.