[RightWhale]

That’s just about as far back as it will be possible to go.

In time, perhaps, but by the same model the universe is as much bigger than the Hubble volume as earth is to a grain of sand.

[R. Scott]

This light could be from the very first stars or perhaps from hot gas falling into the first black holes.

I should have phrased it a bit differently – instead of “That’s just about as far back as it will be possible to go.” It should have been “That’s just about as far back as it will be possible to see”.