Your question is so broad, I don't know where to start. There are lots of past threads on this Board about machines and the specifics on them, and think you should start your research there to at least begin to narrow down what your needs are and what you want from a machine. When I was in your position a few years ago, someone on this board gave me the good advice to go out and start 'test driving' some machines at shops and at quilt shows where lots of vendors have machines set up to try out. After that, you will have educated yourself enough to narrow the field down, and get more specific information from the experienced folks on this board. It is a daunting task, I understand the feeling of not knowing were to start. But you just have to jump in and start doing the groundwork to educate yourself, and you will get there!!