As for the gear question, and what to wear for the actual rages, you will want to go for as much skill as you can stick on your char, as nothing else affects your rages other than the gear that specifically states that it does (AF1 legs, AF2 hands etc). Looking at your current rage setup, my suggestion would be to definitely get a summoning torque as that star necklace is doing nothing for you. Also, I would get austere cuffs to replace your AF1 hands, as they are the best you can wear on your hands before you can get AF2. Also, you can switch out AF1 hat for the austere hat for the actual rage if you feel like doing that. Austere feet are also a possibility if you want to dish out the gil for them before AF2 feet, no idea how much those are nowadays.
One thing that later on after getting better SMN gear, is to decide whether or not you want to use AF1 legs or skill legs (oracles/marduk). I personally adjust my macro to change between them depending on if I'm mostly using Garuda, where i would use the AF1 for accuracy, or I would change it to my marduk legs if I was using any other avatar. My rage setup if you're curious
- FFXIAH.com
Now for how to set up your rage macro, the way I have mine set up is that I have it macro in my -BP timer set, use the Rage JA and then put in a /wait 1, then macro in my rage set. If everything goes correctly, this will put on your gear before the actual ability goes off. I stole my macro from a friend, and its worked perfectly for me.
/console exec "smnbp.txt" full -bp timer set
/console exec "bprage.txt" Contains 1 BP from every avatar, uses whichever avatar is out.
/wait 1
/console exec "smnbp2.txt" my skill set