looking use brother PR 600 to start home embroidery business

Hello:
Thank you for this forum, it seems you have a very good advises and comments.
I am new in embroidery and I am looking a use embroidery machine affordable to my budget, I would to know about Brother PR 600, most common trouble. If any of you have one on sale, please feel free to contact me.
I need a reliable machine that does not give me a lot of trouble, I am tried to make my business home, while I am working full time.
Please..... please... advice me, the Brother PR 600 is a good decision to start the business?
Thank you in advance.

Marisela Melo
mariselamg@hotmail.com