No, not really. There are definitely two things in play here. One is the rattling of random cabin items at certain supercharger frequencies (e.g., there's a buzz in the driver side door panel, and one in the dash).
The main item, though, is the actual supercharger. I've narrowed it down to certain conditions that make the rattle. Generally, it happens when I'm on an uphill incline and being slightly aggressive on the accelerator. If I punch it harder, it doesn't rattle. And if I use the same pedal touch on a flat surface, it doesn't rattle. When it does rattle, it's only at certain RPM's (usually around 2000-2500).
There are other times when I clearly hear odd sounds from the supercharger, but only randomly. Like when I let off the gas and the engine is coasting (and RPMs are gradually bleeding off). At that point, it almost sounds like the rotors are in "free spin" and seem to be wobbling in their bearings a little.
Like I said before, I'm assuming these things always happened but I couldn't hear them. With this intake, the supercharger is MUCH more noticeable.