Personally, I'd go for the Conrad.

I suspect once it gets popular and more people have tried it, this place will be hard to get on points or points and cash...so get it while others dither!

But to answer your question, it was mentioned specifically in this thread:

http://www.flyertalk.com/forum/hilto...k-hotel-6.html

in this post:

http://www.flyertalk.com/forum/20568912-post83.html

I'm not a fan of this hotel so I know where I'd go!