Глюк portage - оно видит то, чего нет ))

dw@dw ~ $ sudo emerge -av kde

These are the packages that would be merged, in order:

Calculating dependencies -
!!! All ebuilds that could satisfy "~kde-base/kdegraphics-3.5.5" have been masked.
!!! One of the following masked packages is required to complete your request:
- kde-base/kdegraphics-3.5.5 (masked by: package.mask)
# Diego Pettenò (3 Oct 2006)
# Pre-release of KDE 3.5.5

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.
(dependency required by "kde-base/kde-3.5.5" [ebuild])

dw@dw ~ $ cat /etc/portage/package.mask
=net-proxy/squid-2.6.4
<=sys-kernel/gentoo-sources-2.6.17-r13