If the AI got upgraded I would love to see "static" missions posted daily in the Main arena. Problem is I took a week in the AvA to test out the AI, there are some flaws still. For one, it was the "rangoon" map, I was at 13k and dove on 3 Zeros and a Betty bomber, after picking one of the Zeros off, I zoom climbed back up, with two zeros staying right behind me like they had no loss of energy period, I even went into a straight climb and they were still behind me - firing as I was stalling out.
I think once they get within the realm of "ACM" and with some randomized tactics it would be a plus, much as I hate to see "AI" unfortunately I know what you mean, one of the things that drew me away from Aces was my normal time frame of flying is 2-4pm EST when the arenas are dead, with the 12 hours (not commenting more on this)...
Static missions would be interesting eventually. The only problem I have is seeing 8 dots show up on dar, you go to scramble and then climb to 15k, only to see the AI flying a bombing mission at 9k or so.
Unless we include varied Skill levels and many other factors, it simply would never equal the main arena on a good friday night when all the good action is going on.