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

Calculating dependencies   ... done!
[ebuild  N    ] x11-libs/qt-core-4.4.1-r1  USE="doc qt3support ssl -debug -glib -pch" 99,595 kB 
[ebuild  N    ] x11-libs/qt-dbus-4.4.1  USE="-debug -pch" 0 kB 
[ebuild  N    ] x11-libs/qt-script-4.4.1  USE="-debug -pch" 0 kB 
[ebuild  N    ] x11-libs/qt-sql-4.4.1  USE="mysql qt3support sqlite -debug (-firebird) -odbc -pch -postgres" 0 kB 
[ebuild  N    ] x11-libs/qt-gui-4.4.1  USE="accessibility cups dbus qt3support tiff xinerama -debug -glib -mng -nas -nis -pch" INPUT_DEVICES="-wacom" 0 kB 
[ebuild  N    ] x11-libs/qt-qt3support-4.4.1  USE="accessibility -debug -pch" 0 kB 
[ebuild  N    ] x11-libs/qt-opengl-4.4.1  USE="qt3support -debug -pch" 0 kB 
[ebuild  N    ] x11-libs/qt-svg-4.4.1  USE="-debug -pch" 0 kB 
[ebuild     U ] dev-python/PyQt4-4.4.2 [4.4-r1] USE="X%* dbus%* doc examples opengl%* qt3support%* svg%* -debug" 6,633 kB 
[blocks B     ] x11-libs/qt-core (is blocking x11-libs/qt-4.3.5)
[blocks B     ] <=x11-libs/qt-4.4.0_alpha:4 (is blocking x11-libs/qt-dbus-4.4.1, x11-libs/qt-script-4.4.1, x11-libs/qt-core-4.4.1-r1, x11-libs/qt-gui-4.4.1, x11-libs/qt-sql-4.4.1, x11-libs/qt-qt3support-4.4.1, x11-libs/qt-svg-4.4.1, x11-libs/qt-opengl-4.4.1)

Total: 9 packages (1 upgrade, 8 new), Size of downloads: 106,228 kB
Conflict: 2 blocks (2 unsatisfied)