Howard posted his example where he uses a CRC to check.
If you don't have bandwidth challenged users then I suggest you concentrate on optimizing the script rather than distributing the binaries. There is a lot more work involved in updating KiX if you copy it to all local machines. You would also need to be concerned about local create/write permissions.
_________________________
Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.