Busse trumps Fehrman every day, all day, imho. Not that Fehrman are anything bad, actually they rock. They just dont rock as hard as Busse. Now, I'm speaking from actual real world experience, not internet speculation. I own, and have extensively used both although I confess I have more blades from Busse. Busse's warranty is second to none and Jerry handles a great deal of the customer service himself, again actual experience(I had a service issue with Busse and Jerry bent over backwards to make it right, the moment he heard about it). Busse also has way more designs to choose from, most will be available only on the secondary market, however. Busse offers more options with regards to scales, coatings, and blade finishes. Busse is always cranking out variants and special editions. Busse's only go up in value, even if you are using them and not storing them in the safe. Overall I find Busse's fit and finish to be better and the designs are more thought out. Busse has two sub-brands that allow you to still get hard use knives, but within the bounds of a tighter budget. Also, with the Custom Shop, you can have your Busse swooped up in a variety of ways, based on the model of course (be ready for a long wait though)
As far as INFI vs. 3V, that is simply a matter of choice based entirely an what a person is looking for in a steel. Having said that, I prefer INFI, it's a steel that is very good at many things. 3V is great but I often find that I have sharpening issues with it in the field which is frustrating(maybe it's just me but I doubt it) HT's on both Busse and Fehrman are absolutely superb.
Dont let any of that scare you away from Fehrman though, OP. They are great hard use knives that you can really beat the crap out of. The edge retention is fantastic. I've never heard anyone on any forum bad-mouthing Fehrman, but there may be a few nay-sayers out there. I own the First Strike and Shadow Scout and both are great, I've had some complaints about the handle ergos on both but that could easily be just me being picky.
Ok. Now, let the "Busse fan-boy" accusations fly!