YES
Xbox Live recovered quicker from the DDoS and seems to have restored most functionality, though some issues remain.
NO
PSN is NOT working properly yet. Some people do report some success, but it depends on the system (PS3, Vita), timing (Sony is randomly bringing services down for "maintenance"), or location (PSN is spread out across multiple datacenters for different regions, so one might be up while another is down).
YES
Microsoft has better infrastructure and DDoS mitigation, as has been proven a few times this year during similiar attacks.
YES
Sony's third-party DDoS mitigator wasn't up to the task, and Sony's PSN infrastructure is still Swiss cheese, even though by now Sony should really have improved, especially in light of the original PSN Outage and Hack.
NO
I don't care if this makes MS better than Sony, keep console warrior crap to yourself.
YES
It's Christmas, which means a flood of new consoles and accounts adds its own mini-DDoS effect, compounding issues.
NO
There is no KNOWN data breach or intrusion attempt, so we don't know if user details were compromised during the DDoS. DDoS is not "hacking", but it can be used to hide legitimate hacking attempts. But there is no evidence currently to suggest that it happened.
NO
There has been no OFFICIAL statement made from Sony regarding any free games or PS+ time to make up for the downtime.