I just stabled python-2.4.3-r1 on alpha, ia64 and x86 after lots of testing. 2.4.3 is a bugfix release from upstream. Maybe more importantly for Gentoo, it no longer links to the libstdc++ library.
stable on ppc64
Stable on hppa.
sparc stable.
ppc stable
Tested and seems to be doing fine an amd64...
The mips team doth annoint this bug with the Mark of Stability +1.
amd64 is first from behind