OH, if only there were a sticky with all the answers to frequently asked questions. We could call it
The Rogue FAQ or something.
But seriously: For leveling go combat swords. If for no other reason than itemization. Read any of the several threads on this, and other, boards for more detail about the standard combat swords build.
End game PvE (t4 and on) the debate is still between combat swords and fist/sword far as I know.