Sure, go for the VCA too, those are always useful :)
...and yeah, what Jim said re. output module! I used one in the beginning because I thought I needed one, now I just go directly to my mixer and attenuate there, there's enough headroom. Like with all signals, you should turn down the appropriate input attenuator and main fader before plugging anything in and bring the levels up slowly paying attention not to clip the inputs (although this can be fun on some analogue desks ;) )