The minichamp is a good knife. I like it but I carry a Micra. I agree with the issue of the scissors, but I have about three SAK's and they all gum up at some point or another. Also the Scissors on the leatherman are far superior. Plus you get better, and in my opinion stronger tools on the micra. I am huge SAK fan, but I am not such a huge fan of their smaller knifes.
My bottom line, the Laetherman Micra is a great microtool for the money, and you get more for less if you compare it to your minichamp. I think you would get more use out of it, especially the scissors which are more robust. Just my two cents.
Garrett
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On occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use. - Epictetus