Since I am relatively new to Busses, I was not aware when INFI came out and I sometimes ask questions of the old Busse fans about it. I have only been on the internet since about 2005 or so. Most of my knives were the ones commonly available from catalogs like BQM, Cold Steel, or SMKW. I bought some of the early RTAKs and Ranger knives. Cold Steel was my intro into "high performance" knives with their Carbon V, which turned out to be a common Chrome-Vanadium cutlery steel with a special heat treat done by Camillus. I am no steel expert by any stretch of the imagination, but I have used a lot of knives for a lot of years. I have been pleased with the performance of all the Busse kin knives I have purchased, and my only "complaint" is that they sometimes require quite a bit of edge work to bring out that performance. I was very glad when Busse came out with the CE versions. I'd like to see that idea expanded to SYKCO and the Swamp. The best knife steel on earth still won't cut if it is dull.