Spartan (or leather) have a place. User Experience is what matters and flat design often increases the cognitive load as we try to figure things out. There's a

Spartan (or leather) have a place. User Experience is what matters and flat design often increases the cognitive load as we try to figure things out. There's a lot of figuring out in Mavericks's UI, but I believe those things will get fixed over time. Maverick's is not flat (yet) but as long as it's not, I'm a user.