There are 11 separate categories of rigs, crossing the entire range of possibilities from ship speed, cargo space, energy, armour and shield rigs to electronics and EW, and finally missile, drone and turret rigs.
Some are obviously more useful Aion kinah than others, depending on the ship you're using, the setup you have fitted and what you intend to do with it. Tech I ships, including capital ships, all get three rig slots, while Tech II ships are left with only two, which serves to close the gap between them slightly.
Additionally, there are Tech II rigs which give increased benefits, BPCs of which can be obtained via invention and exploration.
Additionally, capacitor rigs are extremely useful in shield tanks. It's now possible to use an X-Large shield booster and have it run permanently, making the Raven an even better mission-running tank than before.
Other useful options include the shield rigs for recharge rate and hit-point amount. Those rigs, combined with the new Tech II shield power relays, have turned passive shield tanks from second-class tugboats into something incredibly scary.
This year may very well be a good one for the Caldari pilots out there.
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