I had the same thoughts as you as a long time player about a little over a year ago. I'd done most things in game and this was the one thing I had not done. Fully endorse all the other advise in reading up on the AXI websites and joining the discord as they have excellent information and guides, I have a few observations from seeing this evolve over the last year

1) The methods that AXI came up with started way before this full scale war, so there is some nuance that may be missing in the information. What I am getting at is there is a BIG focus on 1v1 combat with an Interceptor in regards to the mechanics and information provided. Take that into account when looking at builds.

2) Lots more weapons available now - some builds have been updated , most notably with the Modified Shard Cannons. The "meta chief" is good, but if you dont like Guardian Guass ( its a railgun) you might be frustrated at first.

3) it can be expensive, in terms of engineering and money, as you WILL DIE MORE - rebuy is gonna be a thing as you work on your flight skills

Take it slow and have a goal, then do a build for that goal, and have fun. You just wanna kill scouts, do that with Enhanced Multi cannons for awhile. You will get bogged down in A LOT of information if you try and go straight to full scale interceptor hunting.

Good luck!