Fastmac sent out a press release today, announcing the first and only 2x Blu-ray optical drive for Mac laptops. This slot loading drive read and writes to single and dual layer Blu-ray discs at 2x and is backwards compatible with standard CD and DVD media.
Fastmac today announced the first & only 2X Blu-Ray optical drive upgrade for Apple's PowerBook, iBook & MacBook Pro computers. The new slimline, slot loading drive uses the fastest & most compatible Blu-ray mechanism available to provide up to 50 GB of storage on 1 disk, without sacrificing compatibility with standard DVD & CD recordable media...

...Fastmac's slimline Blu-ray slot loading optical drive supports reading, writing and re-writing to single and dual layer Blu-ray media at up to 2x speeds. The drive is also compatible with standard DVD and CD media and can write to DVD-R and DVD+R media at 8x speed in single layer and up to 2.4x speed in dual/ double layer mode. It can rewrite to DVD-R and DVD+R media at 4x speeds. The drive also supports DVD-RAM reading and writing at up to 5x speeds and standard CD-R and CD-RW burning at 8x speeds.
While Fastmac's 2x Blu-Ray optical drive upgrade won't ship for another month or so, you can pre-order it from for a special introductory price of $999.95. More information can be found here.