InsideHW.com posted a review on the Kingston DDR3-1066MHz memory
A quote from the article:
Kingston DDR3-1066MHz Review
Although the DDR2 standard reached its peak, its successor, DDR3, is slowly starting to and in time probably will take its place. We tested Kingston's DDR3 memory running at 1066MHz and tried to find out if you should switch to the new memory yet.
Kingston DDR3-1066MHz Review