Yes,ETH is going to POS and can be grow more after its hardfork, so may be in this year ETH will be USD 1000 if the price of Bitcoin will also increase than may be possible to reach USD 1000.
This is unlikely to happen. If I didn't guess wrong, this year's Bitcoin ETF is more like an important opportunity than the Ethereum's Frok. Only when the price of Bitcoin rises can the price of Ethereum rise, this is the rule in crypto market. I don't think Ethereum can rise to $1,000 alone when bitcoin prices are staying.