are there any 4x dual layer bd burners yet

[Onceler2]

if so could someone point me in the right direction,I googled it and found that panasonic is making one but there is little information

[DizConnected]

I think this LG GGW-H20L @ Newegg is what you are looking for http://www.newegg.com/Product/Product.aspx?Item=N82E16827136137. The price isn't bad and the read/wright speeds are:
Write/Speed:
DVD+R 16X
DVD+RW 8X
DVD-R 16X
DVD-RW 6X
CD-R 40X
CD-RW 24X
DVD+R DL 4X
DVD-R DL 4X
BD-R: 6x Max
BD-R (DL): 4x Max
BD-RE: 2x Max
BD-RE (DL): 2x Max

Read Speed:
DVD-ROM 16X
CD-ROM 40X
BD-R: 6x Max
BD-R (DL): 4.8x Max
BD-RE: 2x Max
BD-RE: (DL) 2x Max
BD-ROM: 6x Max
BD-ROM (DL): 4.8x Max
HD DVD-ROM: 3x Max
HD DVD-ROM: (DL) 3x Max

[[_chef_]]

LG & Liteon, and rebadged Buffalo (LG).