OCZ released a new member in their EL DDR memory module family, the PC4200 EL DDR.
OCZ PC4200 EL DDR (DDR533) is available in 256MB and 512MB modules, or in 512MB and 1GB Dual Channel kits. They run at CL 2.5-4-4-7 at 2.8V and they have a copper heatspreader. Each module is hand tested on an Asus P4C800 motherboard.