NATPC Knight 9.7 - Firmware updates?

[surfdoode]

Hi. I've have a NATPC Knight 9.7 Tablet (MID970, Allwinner A10) and I'm interested in updating the firmware to Android 4.1/JB.

However, I can't find any mention of firmware available for my tablet anywhere and wondered if anyone out there knows of other tablets using the same hardware with compatible firmware images?

Thanks.

Tablet details: NATPC KNIGHT 9.7" IPS Android 4.0 Gaming Tablet Capacitive Multi Touch Screen 1.2GHz Allwinner A10 1GB DDR3 3D HDMI - NATPC - Brand - Android Tablet