Omega II appears to be the same as Canfield Master Count. Indicies may be different, but not likely statistically significant.
AOII is GREAT for SD, OK for DD, and "just a pain" for all other decks.
I personally use AOII for SD, with Ace-side Count, and when I am feeling energetic, also, an "8 Side-Count (for Ins. Purposes). For DD, I use same, without "8 Side-Count" about 1/2 the time, and Revere Systemic Count for the rest. For 4+ Decks, I use Revere Systemic.
Having recently abandoned AOII in Multi-Deck, in favour of Revere Systemic, it appears that I am doing better. Not enough trials to tell. It is just a Pain in the Ass to do an Ace Side-Count in a 6D game.
Please study Revere Systemic for MD games....2-7=+1, 8=0, and 9,10,A=-1.
96% Betting and 56% Playing Efficiencies are not bad "trade-offs", in return for ease of use and relative lack of errors.
Stick to AOII for SD, and maybe, DD.
phantom007