Thanks for all the help and interesting opinions, guys.
I admit I had thought about dynamically editing the XML page onthe fly, but that seems drastic to me. I would try to cheat out the API a bit, but as this is my first time truly working with it, I think I'll take it easy.
For now, I think I'll try to go with Vikke's suggestion and create a small window with a few edit boxes for each statistic. That will also solve the problem of needing a scrollbar or something for a whole thing of ListViews.
Thanks so much for all your help! Hopefully I'll be posting soon, releasing this tool.
Please let me know if there's any other help you can offer.
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