Thanks!
That worked perfectly. I tried to edit ~/.dmrc, but used 'Session=i3.desktop'
As mentioned, it failed.
But your config worked right away.
Would also suggest to install suckless-tools for dmenu to work
sudo apt-get install suckless-tools
The not-so-powerfull hardware and i3 are a match made in heaven. This thing flies!
Mandatory screen-shot attached :)