Corsair's DOMINATOR Twin3X2048-1800C7D kit certainly has impressive specs; two 1GB sticks of DDR3 rated at DDR3-1800 (PC3-14400) speed, and a CAS latency of 7-7-7-20. Default voltage is 1.5V. The DOMINATOR series also ship with a RAM Fan which mounts above the DIMM slots. It blows cool air directly at the tops of the DOMINATOR RAM which has specially engineered heatsinks bonded to the DRAM, and to thermal vias on the PCB substrate as well. (grab a look-see under the heatsinks here)
Hanging out with the bleeding edge crowd is always an exclusive affair, and expensive. Corsair's DOMINATOR Twin3X2048-1800C7D will cost you $784 CDN ($744 US, £371 GBP), which is about par for this class of DDR3 memory right now.... Don't give me that look - to build a killer fast PC with best gear in town, you do know you have to sell your soul right?