The short trigger will make the pull feel lighter because you don't have to stretch your finger out as far (assuming that's a problem, it was for me and my midget hands). Now you can make the pull lighter by putting in a lighter main spring, but if you go too light you risk light primer strikes.
I recently put the 17lb main spring in my 9mm 226R, so far I have 400 round with no failures to fire (including Federal, CCI, and Winchester Primers). I won't consider it perfect until I put 200-300 NATO rounds, and a total of 1,000 rounds through the main spring.
You can also help the trigger pull by polishing all the sear surfaces, and other engagement surfaces to a mirror polish (don't change the shape, or remove anything but the burrs unless you know what you are doing).