After unlocking all 100 inferno mode adjustement levels and lots of grinding in IBO 1 and Gekko 1, I'm curious if there are any better grinding spots once the former slow down to a crawl?

Also are there any valuable inferno abilities I should seek out besides [EX]Insight in Stargazer 2?

Currently I'm able to finish side-stories at Inferno Level 50 without much problem.

My next goal would be finishing 4 main stories at Inferno Level 75 and finishing Destiny and 00 Movie for parts unlocks before even considering tackling Expansion Stages.

After much experimenting with warships and MS my main team is something like:
1x Ptolemy 2 Kai
1x Eternal (space to atmospheric parts)
1x Strike Freedom METEOR
3x After Colony MS of my choice, 1x KSD, 4 C.E. MS
1x Gadelaza
4x A.D. MS, 4x P.D. MS

Overall I put major focus on movement, attack range and mobility with parts and upgrades. 4 tanks there, 1 per timeline, rest working as snipers (mostly them Dainsleifs) or dodgy melee awaken users (Harute, Qan[T], Lupus Rex). Still probably could use some room for improvement.