I think, it's safe to think that 2080ti has today the same performance as the titan V... which is already VERYGOOD.

...after that... we will have to wait some months for more improvement.

Probably even better at a lower cost, but it wouldn't be twice as good or so until new software updates to ...

Well, this is what I've gathered so far from different sources.

New Cards WILL BE FASTER, as they offer more cuda cores (RTX 2080 ti vs GTX 1080 ti). But in future development of Octane we will (overtime) have those RTX cards have a better performance over the GTX. Which means, there's no need to ...

I would love an answer to this as well, I am trying to plan for my next hardware upgrade.

Multiple 1080s - 1080tis or a rtx 2070, 2080 or 2080ti? I guess there'll be benchmarks after they come out, but I want to plan ahead and try to get one before they run out again.