I won’t partake in this one as I am still current on the A-10C at least weapons wise, although I may refresh on tanking and using the CDU.
The SADL datalink also is most fun in MP where one player can send out targets to others as if he were like the AI JTAC.
As for night flying, I encourage you all to play around with the technique I describe in the post I’ll link below. It’s a bit obscure and tactically doesn’t make much sense when there are better weapons and methods - but it will get you familiar with some of the extra features of the A-10C that makes the DCS detail level shine.