Just another data point -- I'm sitting in the Raffles side right now. No hot food when we walked in (~9:45 am) but I'm enjoying the noodle bowl. The desk agent asked one of the two of us for a boarding pass (and both for our *A Gold cards), but just wrote down in a log that it was a UA flight we were on. No problem getting in.

On the way in, we walked through the line for the Int'l RCC. It's obvious that this is a secret (or at least that *G gets you access). Also, we were in the Domestic RCC for a couple hours already, and while it was great at first, it quickly got crowded. And my biggest complaint there is that the internet isn't free unless you're traveling in C or F. At the SKL, the internet is not only free, it's an open hotspot, so it's really easy to log on.