Lionel seems to savor a lot of time before rereleasing Hudsons, especially compared to other high end steam locomotives.
It was 20 years between the time they made the gold 700E and the Vision Line 700E (773’s don’t really count in this case).
Lionel made the ESE in LEGACY 10 years after the CC2 version came out.
And just recently, the LEGACY non-streamlined J3A’s were released, about 18 years after the original TMCC models debuted.
Maybe a LEGACY Dreyfuss is on the horizon, as it’s the only one of the Lionel China produced Hudsons that hasn’t been reissued with LEGACY. If it did, I imagine it’d get the same treatment as the ESE with different wheel and tender details.