The 'tints' are the factory option Privacy Glass.
The list of features/toys is silly, these are just what I can remember off the top of my head right now:
Audi Adaptive Cruise Control
Audi Adaptive Air Suspension
6 Speed Sport Auto/Tiptronic/Paddleshift
Dual Zone Front and Dual Zone Rear Air Con/Climate Control
16 way Adjustable Heated and Cooled Front Memory Seats
Adjustable Heated Rear Seats
Elec Sunroof
Audi Smart Key
Wood Inlays
Full Black Leather Interior
Audi MMI
Digital TV
Bluetooth
Audi Music Interface - Iphone/Ipod connection
Audi NAV
6 Disc CD and 6 Disc DVD Changer
Screens in Front Headrests
Remote for Screens and Stereo in Rear Centre Armrest
Bose Surround Sound
Tyre Monitoring System
Power Door Close Assis
Power Boot
Double Glazing Security Glass
Front and Rear Parking Sensors
Power Rear and Side Sun Blinds
Interior Mood Lighting
Rear Vanity Mirrors
Audi Exclusive Drink Glasses in Compartment above Rear Centre Armrest
Audi Ski Bag in Compartment behind the Rear Centre Armrest (want to replace this with the Fridge if I can find one)
Rear Footrests
Fold Out Table in back of Front Passenger Seat
Audi Phone in one side of Front Centre Armrest
Light and Rain Sensors
LED Exterior Lighting - Mirrors and Handles
The list started getting jumbled up as I was trying to remember more and there's still a load more, the MMI manual alone is an inch thick.
Not to forget the important bits.... 6.0 W12, 0-60 in 5 seconds and electronically limited to 155mph.