Yes, I agree. I don't see how this is not in a first party ps3 exclusive along with a screenshot feature that is not limited.
Sony is just messed up... They have the best console but they're missing some features that make the Xbox 360 UI better... But hey Microsoft is a software company and Sony is mostly Hardware. That explains why the ps3 is better built but the 360 has a better interface and more features...
Hopefully by the time Uncharted 3 comes out Sony will make it mandatory.