"I do like detailed somewhat melodic ,bright sound. I like to hear the separation of instruments and clear vocal"
That's R3pro Saber. If you want slightly lesser details and more smoother (warm) presentation go for R3pro Vanilla.
PD2 is for a certain crowd. You might not like it's sound out of the box it's quiet flat, have to eq it but even R3pro has option to eq. I have a certain attachment to PD hence I bought one even though I think it's overpriced for whatever it's offering. Not the best UI, it's laggy and you have 64gb + you can add 128gb external while R3pro has very responsive UI, better/bigger display no internal memory but you can add upto 2tb card. I don't stream or use bluetooth but still went for R3pro cuz they give the best sound for $200.
DX160 sound might be slightly better but it comes with its own problems. My friend has one, it eeps crashing on him at times and being an Android dap the battery life is around 9hrs. R3pro saber gives 16-17hrs and R3pro vanilla gives 18-19hrs.
I would get the R3pro saber and invest the extra 200 on an iem.