I tried GJBB about three years ago, and even wrote the tutorial that was adapted and placed on this site. I really liked the sounds. That's the good part. Here's the rest:

Working with the Kompact (or whatever they called it) player was kind of annoying. One of the great features of the GJBB is that it responds to nuances of attack and volume. In BIAB, you have no easy way to provide those commands, so you will not hear the sounds as they should be.

I had a moderately powered Pentium 4 at the time, and it could not handle a full BIAB worth of sounds at one time, i.e., five instruments, in its normal mode. I had to load the 'light' sounds so as not to overload it. These sounds weren't bad, though.

Please remember that my experience is fully three years old. There may well have been improvements, new versions, etc. since then. I would be delighted if these problems have been solved, because the sounds really were good.

BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus 192 & Faderport 8, Royer 121, Slate VSX, Adam Sub8 & Neumann 120 monitors.