I would definitely like to see the source for this. Over time, it's become a lot more clear to me that Flash's defaults (and the normal tutorial code you read)

I would definitely like to see the source for this. Over time, it's become a lot more clear to me that Flash's defaults (and the normal tutorial code you read) are tuned for high resolution advertising contexts, mostly, so the need for taking steps to get good real-time / interactive performance out of Flash isn't always totally obvious to people.