I'm pretty sure Eliezer would one-box against Omega any time box B contained more money than box A. Against you or me, I'm pretty sure he would one box with the original 1000000:1000 problem (that's kind of the obvious answer), but not sure if it were a 1200:1000 problem.
Now we are getting somewhere good! Certainty rarely shows up in predictions, especially about the future. Your decision theory may be timeless, but don't confuse the map with the territory, the universe may not be timeless.
Unless you are assigning a numerical, non-zero, non-unity probability to Omega's accuracy, you do not know when to one-box and when to two-box with arbitrary amounts of money in the boxes. And unless your FAI is a chump, it is considering LOTS of details in estimating Omega's accuracy, no doubt including considerations of how much t...
EDIT: I see by the karma bombing we can't even ask. Why even call this part of the site "discussion?"
Some of the classic questions about an omnipotent god include