I think I get what you were saying. And yes, I know Eisenhorn goes past the 41,000k mark by a few hundred years, but i mean, what differences does time REALLY make in the warp :P
Considering in the fluff some units of Chaos Space Marines are tens of thousands of years old - yeah, time has little to know meaning there.
"Inside every cynical person there is a disappointed idealist."
George Carlin