I was hoping to have a super cheap alternative to portra to mess around with but I'm hesitant to keep experimenting.
I don't recommend using Vision3 films when it is primarily about using cheap film. I bought a 400ft roll of 500T just under six months into my film adventure. I was fascinated by a couple of articles. It's all about the overall learning experience and playing with this material for its own sake.
It was the first time I handled bulk film. I had to rollup film from the large roll into my hands so that I could load it into the bulk loader, which takes max 100ft. I was surprisingly easy. Thanks to this and doing Remjet removal in the dark I've become fairly confident working in total darkness. That helped me when I started printint RA4.
I soon began mixing ECN2 dev and eventually switched to removing remjet outside the tank before developing. I too had very grainy pictures in C41 developer. Can't say much about the colour because only a few weeks ago I finally started getting good results with digicam scanning colour film. Thanks to a colour balancing macro sold by a photrio member.
I believe it is possible that grain is also caused by removing remjet inside the tank as part of the developing process. It is vicious stuff. At least I never felt confident with that method. Tiny remjet particles could embed in the surface of the emulsion.
Also be aware that it cannot be RA4 printed, should you want to do that at some point. I did one short test a few weeks ago and it looked like a faded or bleached image. I tried the trick with with double RA4 development and that did make quite a difference. But I think I would need to adjust the exposure and didn't have the time to do go on for now. Other urgent prints are having priority at the moment.
I'd love to print Vision3 onto cine print film. But putting down $275 for a massive 1000ft roll is a bit much. I don't have enough freezer space left for a big roll like that. At the moment I can't find CD2 either. But if I end up being lucky one day I'll do that.
Hybrid workflow is a great resource, but I feel I can only trust to see that supposed 'look' of a given colour film stock when printing in the darkroom. Only then I can *try* to adjust my hybrid pictures to show a somewhat realistic rendition. With that new colour macro I'll start working on that for C41/RA4, now. But if you're not a lone wolf in the darkroom, like me, it's great when others can help there and give you good reference images.
With regards to 500T (and 50D, 250D, which I also have) I'll be sampling a few of my older imgages again soon and see what look I'll get with that new inversion method.