I noticed that this info didn't seem to be widely known here so I thought I'd register and share the wealth.
http://www.android-unleashed.com/search/label/RC29
I've just done this and it works perfectly, takes about 10 minutes to do.
Overall it seems like the phone is more stable and smoother in operation, we'll see how it does over time.
If it works for you, post back here to let people know it works!