While you're at it, update firmware to 20141219, its a critical update. Download is
/s01YJK]here.
Ignore him! If it ain't broke, don't fix it!
The only thing you'd need to update with the Aug firmware is cgminer, not the firmware else you run the risk of bricking your rig, even worse, installing dodgy firmware (of which there are loads for the S3 variants)!
Yup, that sounds pretty sensible to me. I have them working so really I wont touch them until I understand better what I am doing.