Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
I am very pleased to announce that KDE 4.1.2 is in the Gentoo official tree and I unmasked it a little earlier today. I think that all the big bugs have been squashed but there may be a few left lurking.
We have written a guide to installing KDE 4.1 and I suggest you read through it before installing. I personally use the -kdeprefix as my daily desktop and have found it to be stable and usable.