The problem with Get It results (1/29/09) displaying results outside of the date range of the desired article has been largely fixed as of Friday, 1/30/09. There are are few remaining issues with vendors whose dates include embargoes and they are working on this.
1/29/09: Get It is displaying article and journal level results that are outside of the date range of the selected article. They are working on this. I have asked them to esacalate.