Seems this conversation is happening in two threads so here goes 
According to Sammobile it is :
GT-I9300 South Africa 2012 November Android 4.1.1 I9300XXDLJ1 I9300OJVDLJ2 Download
GT-I9300 South Africa (Vodafone) 2012 November Android 4.1.1 I9300XXDLJ1 I9300OJVDLJ2 Download
http://www.sammobile.com/firmware/
Do you guys reckon there will be any advantage to flashing this new SA one if you are already using the UK one. The UK one is I9300XXDLJ4 while this one is I9300XXDLJ1.
According to Sammobile it is :
GT-I9300 South Africa 2012 November Android 4.1.1 I9300XXDLJ1 I9300OJVDLJ2 Download
GT-I9300 South Africa (Vodafone) 2012 November Android 4.1.1 I9300XXDLJ1 I9300OJVDLJ2 Download
http://www.sammobile.com/firmware/
Do you guys reckon there will be any advantage to flashing this new SA one if you are already using the UK one. The UK one is I9300XXDLJ4 while this one is I9300XXDLJ1.