1) You get membership to the United Club lounges at airports that have them as well as access to Star Alliance lounges when travelling international
2) You will be boarding in Group 4
3) You get two free check bags on each flight
4) You're automatically enrolled in Avis' Presidents Club and Hyatt Gold Pass at Platinum
5) Although it is of the NPSL category as a Visa Signature card, Chase reports the credit limit associated with the card, so your FICO will not get dinged and you'll get the benefit of having it help your credit utilization FICO scoring component
6) No foreign transaction fee which is good for when I travel overseas.