I am using H1000, Retumbo & H50BMG, in that order. I run 129g ABLR, 142g ABLR, 150g ABLR & 140g Accubond.
Another useful, but hard to find, powder is RE25 in 264WM.
You have far more choice than I do, but when Win 780 Supreme was announced it was being discontinued, I grabbed all the 4kg jugs I could and have a lifetime supply, it is perfect in the 264WM with either the 130g Accubond or 140g Accubond.
Cheers.