Well, hate to break it too you but Scrapyard INFI is different from Busse INFI. They have to completely different HT which bring different properties.

Though, I doubt you'll notice the difference under normal use.

I'd suggest you try one out. I'm not a big fan of the SS4 because the blade is so small. I wouldn't have too much use for it.

I do want a Bog Dog really badly. I think one of those would be a great Bushcraft knife. Good sized blades with Mudders.