I did a lot of research and many people complained about "the tolerances" or the machines being "off" by a micro millimeter.  Here is my experience: I'm a dowel guy, but i recently purchased this tool to speed things up that don't need the strength of a dowel.  I'm quite happy with it.  There are some big advantages in assembly of cabinetry to have a plate jointer!  When you place a biscuit, you have a little play to work with so even if the machine were 'off' by a millimiter, it's really no issue at all.