40% suite + 25% other upgrades = 65% batting average.

I don't expect suites, but some sort of upgrade (club level, corner, etc.) should be expected 90%+ of the time as a Plat. Starwood needs some improvement.

Westin Boston Waterfront - took 8AM check-in over suite later! ^
Westin South Coast Plaza - SPG floor deluxe room ^
Westin Mission Hills Palm Springs - standard room
W The Court NY - suite ^ ^ :-:
W NY - itty bitty room on every stay
Westin Whistler - 1 bedroom suite ^ ^ :-:
Westin Bayshore Vancouver - deluxe tower w/view ^ :-:
Sheraton Fishermans Wharf - suite on every stay ^ :-:
W San Francisco - deluxe corner ^ :-:
W San Francisco - sweet suite! ^ ^ :-:
Westin Casaurina Las Vegas - no suite, top floor SPG room ^ :-:
Westin Casaurina Las Vegas - no suite, deluxe room :-:
Four Points LAX - jr suite ^ :-:
Westin Boneaventure LA - suite ^ :-:
Sheraton CDG Airport - Exec Room, Club Level ^ :-:
Le Meridien Barcelona - 2nd floor room
Aladdin Las Vegas - strip suite ^ :-:
FP Detroit Airport (not my choice!) - SPG floor standard room
Sheraton Bilbao - deluxe corner room ^ :-:
Sheraton Amsterdam Airport - suite ^ ^ :-:
Westin NY Times Square - 2 suites & 12 club/corner deluxe out of 20 stays

And of course, AVOID Westin Paris (no suite, no upgrade, no lounge access for Plats)

:-: = hotels that I feel understand the SPG program and treat elites well