The only thing I can tell from the pictures is that he probably has long pasterns. Though as you said he has probably developed more and is probably less gangly now. If that is his only major flaw he may be worth it.. I'm beginning to think long pasterns are unavoidable in OTTBs ;)
I'll keep everyone as updated as I am!
Every great dream begins with a dreamer. Always remember, you have within you the strength, the patience, and the passion to reach for the stars to change the world. ~Harriet Tubman