Singapore Airlines KrisFlyer - 'Spacebeds' from London?

I've done a quick search and found one earlier thread on this - does anyone have any news on how these are progressing in terms of being installed?

I was thinking of booking a reward flight from London to Singapore (June) and would prefer the bed if it is available.

Regards

WG

Read this from Krisflyer's Newsletter :

http://www.krisflyernewsonline.com/kn/siaf_spacebed.html