Are you talking about a meat slicing machine, or a knife? Im assuming a machine but you never know.
I bought the 610 from Kohl's. I used Kohl's cash and a 30% of coupon. I didn't spend more than $80 or so. It works fine for lunch meat. That's all I've tried so far. I will prob get a larger 10" or 12" if I get back into slicing a lot of my own meat. I also bought the non serrated blade.