Here is the NOVO 7 Paladin Android 4.0 (Ice Cream Sandwich) stock firmware

http://www.megaupload.com/?d=05MF8O4G

Ainol NOVO7 Paladin Android 4.0 factory firmware
Software Type: Firmware Driver Date: 2012.01.10
Size: 788.25 MB
Software version:
Applicable products: NOVO7 Paladin
Operating System: Win98/Me, Win2000, Win2003, Win2008, WinXP, Vista, Windows7
Language: Simplified Chinese

Read this carefully before you flash the firmware:
- Make sure the tablet has more than 50% power
- Back up important data, the flash process will format the removable disk. Once the upgrade is complete the original data will be lost, and can not be recovered.
- During flash you can not press the reset button. Don't press any other buttons other than mentioned in the flash instruction.

Flash Procedure:
1. If this is your first time to flash your tablet, you have to install the driver first..
2. Turn the machine off, press and hold the volume button for 3 seconds. The plug in the USB cable (Note: If the flash doesn't start, then press the reset button), your tablet will enter the flashing process.
4. Once the flash is complete, unplug the USB cable your tablet will automatically boot up.