Fit & finish on my 4" Bad Monkey is very good. Hands down superior to any factory Emerson I have handled (I tend to consider this to be my Emerson-esque knife brand ... ).
Peoples gripes about blade steel in my mind do not take in to account the significance of the heat treat & temper process, focusing too much only on the "superiority" of one blade steel composition over another without factoring the significance H.T. & tempering plays on overall performance (and how performance relates to intended use by individual owner/user). I believe Southern Grind did a excellent treatment on their 14c28n.
For an "American company" producing knives, I would say they are doing a great job.
BTW, the non-Emerson waved versions are a little less expensive. Not all Southern Grind include the patented Emerson hook (mine does not, and I prefer it this way). I do think "The Wave" is cool, but have learned it's not really for me (I do still own a few, but would not "specify" this as a feature I would request in an overall design). The Wave on a Southern Grind however, does work very well (because of the geometric placement & the very smooth action of these knives).
The only negative I would mention is proprietary fasteners. But, then again could argue that this is "cool" more-or-less along the lines of a custom feature included on a factory knife ;-)
3D milled scales, awesome grind lines, ergonomics that work in my hand, quality execution of production & assembly (it's my Tanto version of a Military
Regards,