The one thing I like about PLA is that it has a large variety of different colors. That said, I've printed in several SLS printers now, and PLA wouldn't really be an option for me with those parts. It is a plant-based plastic, and while that normally isn't an issue, when looking for qualities similar to ABS, the fact that there are a lot of newer Core X-Y printers that can print in ABS a lot easier than just a few years ago, ABS is a much more accessible material. There's also PETG, and some other hybrids that are fairly simple to print. With ABS though, the only thing with it is that it is a toxic material to print, so anyone doing it, have great ventilation and use a respirator when in the room, garage, or area while it's printing. Same should be for a lot of materials, but especially ABS, along with a few others.
As for best materials, I have a printer that does do nylon. It's even more expensive, but while it is stronger and more resilient in how it handles, it's limited in colors (usually white, or black if you mix with a carbon fiber mixture).