/cgl/ - Cosplay & EGL

What should I look for in a sewing machine if I wanna start sewing my own clothes?
I already have a household machine that can do most things but not very well. I was looking into getting a semi-industrial sewing machine because of the high stitch quality and longevity but most of them only do straight stitching. Is it necessary do you think to have a machine that can do many types of stitching keeping in mind the fact that I do have one, albeit not a very good one that can do those types of stitches. I was looking into getting a Juki especially but if you have any other suggestions please let me know.