portage upgrade today :)

[ebuild     U ] app-shells/bash-3.1_p10 [3.1_p7] USE="-afs -bashlogger -build -nls -unicode" 5 kB
[ebuild     U ] app-admin/perl-cleaner-1.03 [1.01] 4 kB
[ebuild     U ] app-misc/pax-utils-0.1.10 [0.1.9] USE="-caps" 50 kB
[ebuild     U ] sys-apps/portage-2.1_pre5-r1 [2.1_pre4-r1] USE="-build -doc" 250 kB
*** Portage will stop merging at this point and reload itself, recalculate dependencies, and complete the merge.
[ebuild     U ] sys-apps/man-pages-2.24 [2.23] USE="-nls" 1,712 kB
[ebuild     U ] sys-apps/coreutils-5.94-r1 [5.94] USE="-acl -build -nls -static" 59 kB
[ebuild     U ] sys-apps/sysvinit-2.86-r5 [2.86-r4] USE="-bootstrap -build -ibm -static" 0 kB
[ebuild     U ] sys-apps/baselayout-1.12.0_pre16-r1 [1.12.0_pre16] USE="-bootstrap -build -static -unicode" 0 kB
[ebuild     U ] sys-fs/udev-085 [084] 187 kB
[ebuild     U ] sys-devel/make-3.80-r4 [3.80-r3] USE="-build -nls -static" 0 kB
[ebuild     U ] sys-devel/gcc-3.4.5-r1 [3.4.5] USE="gtk -bootstrap -boundschecking -build -fortran -gcj -hardened -ip28 -multislot -nls -nocxx -nopie -nossp -objc -vanilla" 119 kB
[ebuild     U ] sys-libs/timezone-data-2006b [2006a] 327 kB
[ebuild     U ] sys-libs/glibc-2.3.6-r3 [2.3.6-r2] USE="nptl nptlonly userlocales -build -erandom -glibc-compat20 -glibc-omitfp -hardened -linuxthreads-tls -nls -pic -profile" 129 kB
[ebuild     U ] sys-devel/flex-2.5.33-r1 [2.5.31-r2] USE="-nls -static" 679 kB
[ebuild     U ] sys-libs/cracklib-2.8.5-r1 [2.8.5] USE="python -nls" 0 kB
[ebuild  N    ] media-tv/linuxtv-dvb-headers-3.1  0 kB
[ebuild     U ] media-video/mplayer-1.0.20060217 [1.0_pre7-r1] USE="X aac alsa dts dv dvb dvd dvdread encode fbcon gif gtk i8x0 jpeg live lzo mad matroska mmx opengl oss png real sdl sse sse2 theora truetype vorbis win32codecs xmms xv xvid xvmc -3dfx -3dnow -3dnowext -aalib -arts -bidi -bindist% -bl -cdparanoia -cpudetection -custom-cflags -debug -dga -directfb* -doc -edl -esd* -ggi -ipv6 -jack -joystick -libcaca -lirc -livecd% -matrox -mmxext -musepack% -nas -nls -nvidia -openal% -rtc -samba -svga* -tga -v4l -v4l2 -xanim -xinerama" 6,525 kB
[ebuild     U ] sys-apps/eject-2.1.4 [2.1.0-r1] USE="-nls" 98 kB
[ebuild     U ] dev-libs/nspr-4.6.1-r3 [4.6.1-r2] USE="-ipv6" 0 kB
[ebuild     U ] app-text/enchant-1.2.2 [1.2.0] 520 kB
[ebuild     U ] media-libs/netpbm-10.32 [10.31-r1] USE="jpeg png zlib -svga* -tiff*" 2,334 kB
[ebuild     U ] app-arch/sharutils-4.6.1 [4.6.1_pre4] USE="-doc% -nls" 621 kB
[ebuild     U ] mail-client/sylpheed-2.2.0 [2.2.0_beta8] USE="crypt spell% ssl -gnome -ipv6 -ldap -nls -pda -xface" 2,434 kB
[ebuild     U ] www-client/mozilla-launcher-1.47 [1.45] 5 kB
[ebuild     U ] www-client/mozilla-firefox-1.5.0.1-r2 [1.5.0.1-r1] USE="-debug -gnome -ipv6 -java -mozdevelop -xinerama -xprint" 33 kB

まずは sys-apps/portage をその後は -uDv で一気に。