Anyone recently try and upgrade their room at the Excellence Riviera Cancun (ERC) when they arrived to check in? We were thinking of upgrading when we arrive (Sunday, June 16), but when I search the travel sites right now to see if the club rooms and swim-up suites are available they appear to be all booked (just the honeymoon suites are available). If you've had experience with this pls. advise. Thx.