That is my thinking, but there's a distinct risk.
I'm looking to keep this next card, and indeed system, as long as possible, and if I can, to avoid upgrading in a few years. For that reason, even 8GB makes me a tad nervous as the trend seems to be (and it's decades in the making) for software to expand to fill, then push, the limits of hardware. 8GB is probably fine ....
now, but there's already signs of games expanding close to the point of filling that, then wanting more, which some cards (of course) can supply. At a price.
Given I don't want to upgrade, buying into what looks likely to become a performance issue, maybe sooner rather than later, 8GB (for me) is a concern. And I struggle to find more than that, on a card with enough performance, at a price I like. No 3090Ti for me.
Next Gen certainly looks to address all that
but .... at what price?
Right now, there is decent stock available at not-
too-rip-off prices, but in a few months?
Things might go down a bit more towards MSP, but they might go back up, so it's a punt.
If I plan on next gen and they either come out at silly prices, or limited stock (or both), it's certainly possible that, by then, existing gen cards will have sold out and I end up with a choice between waiting months for more stock, or accepting getting a right royal skinning. The change-over might go smoothly, but it also might get bloody.
Half of me wants to wait for what sure looks to be significant benefits, and the other half is of the "bird in the hand" mindset.
I used to think I was indecisive, but now I'm not so sure.
/I'll get my coat.