So, I am under the old HD package, Voom and everything else for $20 I think. If I do not switch to one of the new packages (Ultimate or Essentials), am I not going to get the new HD channels that will be launched soon/later?
You will receive them if you also receive the Sd equivalent. If you have AT100 you will NOT get Speed HD or other HD channels that correspond to SD channels in the AT200 or AT 250 packs.