ORIGINAL: Semisane
Here's an add-on. Got to thinking a little more about the issue of scope magnification vs. accuracy and started doing a little research.
Found this article. I believe his reported results. It pretty much mirrors my experience with a 3 x 9 set on 3x and 9x.
http://www.shootingtimes.com/optics/st_optics_200710/
Looks like the higher magnification helped his groups a lot.