Yep you're right about the "GB" being for Great Britain. The Distessor had an update a few years after release which added a switch that was called "British" mode and emulated the All Buttons In function on the 1176.
Ik multimedia total studio 3.5 max is only 200$ this month, and I bought, honestly it's really worth it, for 200 you get all you need for music production, and it sound great
3:40 BUT REMEMBER like almost all plugin manufacturers, they be having constant deals, which often overshadows their “real price”. Right now in this moment all T-Racks 5 goes for $100 that includes their reverbs, other plugins, and almost any processor (including this compressor) for 30 dollars less, than if you would buy the standalone compressor. So this compressor seems more of a sweet deal now!!!
White Sea did a distressor shootout with spectre. It’s a good video and they each have informative videos individually. I’ve just noticed I’m a year late but for anyone else who comes along in the future like I did. There ya go.