I also owned the Undisputed in a couple different sizes, and while I found it better in pow than the Omni, I was not a huge fan of it either to be perfectly honest. I should've been more clear, it was a combination of taper and setback inserts on both boards that made switch riding more awkward, granted I'm not the best switch rider by any means.
15 NS Snowtrooper Brother in Arms Edition . 13 Salomon Pow Snake
15 Now Drive . 14 Now Drive
14 Flow Hylite