Plextor announces the new M2S series of SSD drives. These will have a SATA III interface for read speeds up to 480MB/s, a 128MB DDR3 cache and will be in 64GB, 128GB and 256GB sizes.
http://www.engadget.com/2011/02/07/plextor-announces-the-m2s-line-of-sata-iii-packing-480mb-s-ssds/
http://www.engadget.com/2011/02/07/plextor-announces-the-m2s-line-of-sata-iii-packing-480mb-s-ssds/