The DVR-AN18GL and DVR-UN18GL should hit store shelves in early August for ¥9,300 ($80US) and ¥13,600 ($117US) respectively. More information can be found here and here.
Writing Speeds:
DVD±R: 18x
DVD±R DL: 8x
DVD+RW: 8x
DVD+R DL: 8x
DVD-RW: 6x
DVD-RAM: 12x
CD-R: 48x
CD-RW: 32xRead Speeds:
DVD-ROM (Single): 16x Max
DVD-ROM (Dual): 12x Max
DVD±R: 16x Max
DVD±RW: 13x Max
DVD±R DL: 12x Max
DVD-RAM: 12X Max
CD-R/ROM: 48x Max
CD-RW: 40x Max