It is still to your advantage to go to war sooner than later. J1 DOW is the way to go for this unless you trying to take over America, you get pretty good odds for it still.
I disagree with you here Cow. Pacific is a lot different than global. I even think it might even be best to wait till turn 3 to attack allies after they have declared war on you. This will keep America from getting her 30 dollar bonus, and her 40 dollar bonus for two turns. That is a total of 99 less, since you would take phil in a T1 attack. Haven’t played enough games to be 100% sure, but taking India is a lot easier, and your real problem is taking Hawaii. I don’t know how you can ever take Sydney if the allies are competent at all.