i know what you mean about the multitabling. I started out playing 1 table then 2 then settled at 4 for ages. The key is to just add 1 extra table at a time and play fairly tight . stack your tables to reduce mouse movement and most of your decisions revolve around fold fold fold fold AA raise etc.
i have 24 tabled 2nl FR but it was robotic and no time to actually think through a hands play .Now i just 5 table 20nl 6max