I made up 100 of my whites with 62g springs, they are very nice, especially if you don't mind hysteresis. I'll be putting them into either my skeldon or my lightsaver.
Whites tend to be a little variable as far as sound, so if you make your own, sort them by click.
sorting could be difficult. the spring tension affects the click..
So I think sorting aught to be done after spring replacement, because if you sorted before hand, the swapped springs would change sonic distributions. Show Image
(http://www.cute-factor.com/images/smilies/onion/014.gif)
Yes, this is specifically what I recommend. Once you've replaced the springs, sort the switches and install based on your preference (I will have louder ones off the main typing area.