@Tek:
The multiwound aspect of it actually does some really weird things to the rules. For one, wound allocation to "hide" one wound for determining if you need to morale test. For another, and we actually ran into this recently: Dangerous terrain tests. A HWS botched two dangerous terrain tests, but was completely safe as they were on different models, so rather than having to make a morale to bolt, they shurgged it off and kept going, where-as with six individual figures, you could have lost a gun, and on top of that, you'd have to test to run.
Course, I'd let you do it if you wanted, simply because every situation I can think of that this would change the rules would alter it in your opponent's favor.
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