1: You have a downgraded version of advanced-power-common that is blocking apt-get updates. You will need to download and install via "dpkg -i" version 0.4.5-3 of advanced-power-common. Don't worry, you can download and install your current 0.4.5-4 version again after you've done your apt-get updates.
2. You have a downgraded version of hildon-desktop that is blocking apt-get updates. You will need to download and install via "dpkg -i" version 1:2.2.142-13 of hildon-desktop. Don't worry, you can download and install your current 1:2.2.140-1+0m5 version again after you've done your apt-get updates.
3. No, the status menus does not work in portrait mode. It's too wide to display and can't scale like the power menu button can.