I can't say it's the best, but I own the BUFFALO MEDIA STATION BRHC-6316U2. It's a nice unit. It cost me $200.00 from buy.com free shipping. MediaStation External Blu-ray HD DVD Combo Drive reads Blu-ray, HD DVD, DVDs and CDs and writes Blu-ray, DVDs and CDs. MediaStation Includes Neros Suite of Software Tools. Up to 6x Blu-Ray Read and Write and 3x HD DVD Read Speeds. Features 6x Blu-ray Read and Write 3x HD DVD Read 16x DVD-R Write 40x CD-R Read and Write Easy Setup Turns On and Off automatically with your computer Innovative chassis design keeps internal parts cool Silent, "fan-less" design Vertical or horizontal operation to save desktop space Full set of desktop tools to create and play Blu-ray, HD DVD and DVD disks on your Windows PC Design tools to help you create disk cover art Nero Back It Up 3 Essentials to backup files and folders from your PC directly to Blu-ray, HD DVD and DVD disks Higher USB transfer rates with TurboUSB translate into better read and write performance Tech Specs Interface Standard Compliance: USB 1.1/ 2.0 Connector Type: USB Series A / 4 pin Number of Ports: 1 USB Series A Other Dimensions (WxHxD in.): 6.5 x 2.0 x 11.1 Weight (lbs): 4 Power Consumption (Watts): Max. 25W Operating Environment (Fahrenheit): 41-95 Client OS Support: Windows Vista, WindowsXP Power Supply: AC110V 50/60 Hz
