I use Solo1000 for 9mm. It is fairly soft, affordable, and not much smoke with coated bullets. Once reason I like it is because it is "fluffy" it makes double charging a case impossible to miss.
I have heard that it varies lot to lot, so I usually just buy more at one time.
I'm using Solo as well. With the jug I have I'm loading 3.6gr and it's a soft shooting load.