They are very good reloaders.
It depends on what's wrong, condition and price.
All the parts are replaceable and you can order new ones easy enough.
If you buy it, buy the universal charge bar for it. They are easily adjusted and you don't have to mess with all the different bars and bushing for your different types of loads.
I do have a lots of charge bars and bushings I'd sell if you find yourself in need. I bought the universal charge bars for both of mine. I've got the 700 Versa Mecs in 12 and 20 which are just about the same as the 600's and 650's
Thanks, I printed a PDF of the owners manual off the site all seems to he In order I will start to slowly invest in my new reloader now I have to figure formulas.You can always write MEC for the instruction manual, and while they will provide you with one, but they will also include a bill for it to.