Here are the bullet points:

Convenience and Financial Power
Credit Line - up to $250,000

Over-the-Credit-Line Protection

Emergency Cash up to your available credit line
Emergency Card Replacement
ATM Usage (Cirrus Network) at 160,000 locations
Credit Card Cash Advance Checks / Balance Transfers
Credit Line Increase decisions within 15 minutes
Year-End Summary of Charges
Preferred CD and Money Market Rates
Payment Holidays

Maximum Security
Absolute Fraud Protection
Premium Buyer's Protection-covers your purchases against theft or damage and doubles the manufacturer's written U.S. warranties for up to one full year on most purchases
Automatic Purchase Protection-for up to 90 days
Credit Card Registration to protect you from loss or fraud
Superior Service
Toll-free priority service, 24 hours a day, 7 days a week
Merchant Dispute Advocacy

Distinctive Travel Services

Quantum AssistSM Concierge Service
Quantum Travel ServicesSM - Exclusive offers and upgrades
Trip Cancellation and Trip Interruption Insurance
Up to $1,000,000 Common Carrier Travel Accident Insurance
$3,000 Supplemental Lost Checked Luggage Protection
Supplemental Auto Rental Collision Damage Deductible Insurance
Quantum Emergency Travel Assistance benefits

Emergency cash means they will wire money to a Western Union (are they still around?!) office.

There are a lot of web services for account management, shopping, travel (I haven't seen anything too unique).