I don't have either machine, so can't comment. However, I did find 3 reviews for the Juki and 4 reviews for the Baby Lock at patternreview.com . These are reviews from people who have purchased and used the machine. You need to create a login (free) in order to read the reviews, but here's where you can do the search:
https://sewing.patternreview.com/cgi-bin/fuzzysearch.pl