Below the stated benefits and requirements. The main benefit (2 nights for 1 and 4 nights for 2) seems to be gone. The European members keep their 10% weekend discount (which never worked) and free item of laundry.

MEMBERS
15-20 Gold PointsŪ per dollar/euro on room rate
500 points when you book online
Free hotel nights
Redeem 15,000 - 60,000 points*
Points Plus Cash Award Stays
Convert points to airline miles
Prepaid Cards
Exclusive hotel offers
Express Awards - in hotel awards**

SILVER ELITE 15 nights or 10 stays in a calendar year
All member benefits plus:
25% bonus on room rate or base points
Elite Member Service Center
Best available room
Late check-out
All member redemption options plus: Special Points Plus Cash offers

GOLD ELITE 35 nights or 20 stays in a calendar year
All member & Silver Elite benefits plus:
50% bonus on room rate or base points
Early check-in
72-hour availability guarantee
All member & Silver Elite member redemption options plus:
FlexNightsSM at base redemption rate

In Europe, you'll also enjoy the following Elite membership benefits: Elite Membership Benefits Silver Gold
10% off weekend rates X X
Complimentary bag guard X X
Double occupancy for a single rate X X
One free item of express laundry per night X X


Well, I cannot see any increased benefit, but maybe I miss something. Redemption rates seem to have increased too. Guess 20 stays is easier than 35 nights, but not sure worth the hassle.