SanDisk announced the availability 
In addition to the microSDHC and M2 card, SanDisk also offers a range of both embedded and removable storage solutions for mobile handset manufacturers and mobile network operators. These include iNAND and mDOC embedded flash drives; microSD, miniSD removable flash cards; and SIM and MegaSIM cards.
SanDisk’s 8GB microSDHC an M2 cards are have retail prices of $139.99 and $149.99 respectively.
http://www.sandisk.com