Although there isn’t any official announcement yet, few online stores have started to sell the new SanDisk 16GB microSDHC and Memory Stick Micro (M2). According to SlashGear, the official worldwide release date is October 2008. The 16GB microSDHC will be sold between $90 to $99 USD depends on your local pricing. The 16GB Memory Stick Micro (M2) card will is around $129.99.

Source [SlashGear]