I gave my Kels a VERY brief run through a couple days ago. Just set 'em up in my usual go to starting position (about 6 or 8 inches off the eight fret (ish) aiming at where the neck meets the body, and the other over my right shoulder) for recording my Collings acoustic.
First impressions: they sounded quite nice. Natural, not overly bright top, a bit boomy on the bottom maybe, but I didn't fiddle with placement at all, so could be a bit of proximity, and the mids sounded maybe slightly scooped, but in a nice way. I'll try and give them a bit more attention in the next week or so, but I think I'm going to like them.
Denny, enjoy the 4050. I think they're nice mics. I stand behind my previous advice to you: don't second guess your purchase too much, especially based on others comments online. Use it, learn its strengths, what works for you and what doesn't. A year or two down the road, evaluate whether it does what you want out of it, and if it isnt cutting it, sell it and move on. (Of course, assuming that you don't hate it from the start, but I dont think you will).
Cheers,
Geoff Ruby