I see the Boss as an obsolete tool now. It was great for portability prior to laptops and a lack of what today is sophisticated software vs. the old Boss Portable Recording studio, and trying to mix down a simple 4 to 8 track "live" gig was a PITA, to say the least.
I have a lot to learn about the mixcraft pro 6, but it is so intuitive, there's no comparison with the old Boss.
BUT, what I don't like about the mixcraft at this point in time (and it is probably due to my ignorance with the system) is the lack of existing library selection. As an example, last night I was looking for a country acoustic guitar, found one, it was only in C (maj or min, can't remember for sure) with 16 bars, tempo of 123. I would like MORE available in different keys, tempos, etc. (maybe it is and I don't know it?). Seems to be a LOT of 'sounds" in the library, but nothing I wanna put into a song (construction sounds, kitchen sounds, etc. Still going through various acoustica sites to learn as much as I can about this software, just too dumb to do much with it at the moment. Oh, and I did go to the site you mentioned yesterday, will be hanging out there some to learn.