Kingston announced yesterday their HyperX DDR3 Triple-Channel Memory that was designed with the Intel X58 motherboards in mind. They also meet the 1.65 volt platform recommendation for Core i7.
This new product features 2GHz memory and are available in kits of three 1GB modules. They will also be Intel XMP or Extreme Memory Profile ready. These are the fastest triple-channel memory DDR3 products available right now.