I have hit both the TE Forged and the KE4 Tour+ irons. IMO both were great designs, just not quite optimized for my swing. Both have a very sharp leading edge and when I get into bad habits, I’m somewhat of a steep digger. I also found the feel of the KE4 to be a bit harsh but still solid.
Both clubs were just wrong for the conditions I play in, and my current swing. So that is something you’ll have to consider.
That being said, I wouldn’t be too quick to rule out the STi2. IMO, it looks nothing like the Ping G2. There is minimal progressive offset and the top line falls in