Prices will not drop so long as the demand is high.
Worth is something only YOU can determine.
When new cards appear, you can expect the flagship card to be very high in price if it can do significantly better than the current top card, the GTX1080ti.
And... that top card will be bid up to insane levels for those who have no budget limits.
If you nave a need now, buy now.
To hedge your bet a bit, buy a EVGA card. They have a 90 day free trade in option if you upgrade to a better card within 90 days.
Read the fine print.