Thank you all for the input. I've booked SLS and will let you know how it is.

For those interested i booked it through kiwicollection.com and it included visa signature benefits:

Best available rate guarantee
Automatic room upgrade upon arrival, when available
Free in-room Internet or Valet parking
Complimentary continental breakfast
3PM check-out, when available
VIP Guest status
$25 food or beverage voucher