IMO the new Ultra will cut RTX PRO 6000 prices.
RTX RPO 6000 has 96gb of VRAM and costs around $14k. And you need an actual PC to run it.
M5 Ultra costs ~$10k and has 256gb and require nothing else to run it.
Diff in memory bandwidth? 1,200 GB/s vs 1,792 GB/s
What would you choose?