@ semicolon - Does your project need to use the Cerb?
I am doing a similar project type project by the sounds of it with a G120HDR
When a PIR detects motion read a random txt file from SD to get lighting info
Load and play MP3 file and at the same time run lighting info thru a 5m strip of addressable LEDS
Works a treat.
@ Justin; Cerberus looked great on the paper until the sd card problem =)
We are investigating the issue and it appears to have happened since the QFE2 release of the Cerb-Family firmware (4.2.3.x). We are searching for a solution as soon as possible.
Post was modified (stupid caps lock). lol 
Thanks @ aron and GHI.
I can try QFE1 until then.