Rumor – Best Buy iPhone 5 Release date 21st October ?

We have heard many rumors about the release date of Apple iPhone 5 with Best Buy. It was posted some days ago that the possible launch date of iPhone 5 is 21st October and today we got some more clear information regarding this matter.

Apple iPhone 5

Some guys over at BGR claimed that they possessed a leaked Best Buy Document in which it is clearly mentioned that Best Buy and Best Buy Mobile will start offering the iPhone 5 for pre-order as of the first week in October.
It is also reported in this doc that the Sprint will also be available on the launch. Furthermore, this document has made one thing clear that “Apple product introduction and launch dates are subject to change.”
Don’t go anywhere as we have some more information about this matter. In an update to their original post, the guys of BGR claimed that they obtained some more clarification to the matter through an unnamed source claiming that “actually possibly pre sales will be starting this week” and also reports that the iPhone 5 will hit the market in the first week of next month.
This new rumor creates a conflict with earlier one in which the possible release date of Best Buy iPhone 5 21st October. We know that many people would give preference to this new rumor over first one.
We would like to see your opinions. What are you thinking about the possible release date of Best Buy iPhone 5? Is it 21st October or first week of Oct?