The back of the stitching looks nothing like the front, so I think some quilters who are real purists wouldn't be happy with it (at least, those are some of the comments I've read). The back is supposedly tiny chain stitches, but they pretty much look like regular machine stitches to me.
Here are a couple of blogs that reviewed the machine (no affiliation, just found these while searching for info myself):
http://www.sewinginsight.com/babyloc...o-blqk-review/
http://blueribbonquilting.blogspot.c...o-machine.html