If you agree on using a computer, spreadsheet is your best buddy. I've been DMing FengShui a lot and tried several things but a spreadsheet seems the more efficient.
Here is how I organise it:
Each column is a named or mook char:
- contains its name, wounds count/number of mook, initiative score, bonus info (such as main combat skill, weapon/spell, current target...)
- Even better, you can add a macro to automatically roll dices on the main combat skill, and subtract 3 to the initiative.
Above all these info, you set a global counter to see where we are, and bind a macro on its value which highlight the columns with an initiative equal to the current value (of course, once you decrease init of the character, it should not be highlighted anymore)
I know using macro for dice-rolling may look like it will kill the fun, but it actually fasten the pace and allow to focus on describing cool moves depending on the roll for NPCs (even mooks can have cool group move when especially lucky!).
If you are lazy, I can upload my own spreadsheet and send you the link.
EDIT: Here is the link, it displays 5 named and 5 mook, unfortunately I did that while not knowing how to code so, to add mode characters, you will have to modify the macros.