Well I spent the first half of the game running around and exploring. I ended up at I think Whiterun.... I think. They had a stable there and my exact thoughts were, "Oh look, horsies!!!" So I bought a horse for no aparent reason. Its not exactly the fastest horse ever but its sturdy enough (the animations for the legs are a bit floppy). I should have saved my money because I found another stable with more horses! Again my exact thoughts, "HORSIES!!!". So jumping to the conclusion are the horses different by speed or health? (Sorry I'm a bit hyper today.)