The W1866UX2G8 Kit, the world's first 1866MHz 2GB Kit (2x 1GB), supports ultra low 8-8-8-24 latencies. This Kit is built with the fastest available, carefully screened DRAM chips, and is hand tested as a matched pair on a dual channel Asus P5K3 Deluxe motherboard at its rated specs at 1.9 volts.
You can read the full press release in the comments section.
The as-of-yet-untapped market has seen many people rush to be first towards various milestones, so it's becoming harder to be impressed by the claims. While Super Talent's entry certainly does sound fast and may indeed be the fastest in the market currently, both its $625 price tag for the kit and another vendor's urge to claim the top spot will likely work against them.