Akura is the codename of the VGA to HDMI adapter for the Dreamcast and it looks awesome, the akura doesn't need an external power supply or any additional cables in order for the user to connect a Dreamcast to a HDMI-equipped display.
Simply plug the Akura into a Dreamcast, and then plug a HDMI cable into the Akura.
Heres the features
480p video output via HDMI
RGB/VGA switch to select the 15khz RGB mode or the 31khz VGA mode
HDMI connector for plugging to your TV/monitor
Headphone audio output jack for plugging to a Hi-Fi or TV
Scanliner ON/OFF switch to turn it on or off
Scanliner Even/Odd switch for selecting even or odd scan lines
Scanliner Width switch for selecting thin or thick scan lines
Luminosity adjustment as a bonus feature
High quality custom made Dreamcast audio/video cable