As usual, I agree with pretty much everything you suggest

just a few tweaks I would make.
1st, Anteres is a legendary item. It shouldn't have the same bullet consumption to resistance drain ratio as the ammo consuming mythical drones. I say make it -1 physical resistance.
2nd, The repair drone should stay the way it is. The reason it's worth using is because it doesn't use energy, meaning it'll fire every turn. This gives an advantage vs mechs that would normally disable your drone. If any changes were to be made, I say increase weight by 5kg, increase heat consumption by +5, and make it +37 health.
3rd, +9 heat on Needle 2 would ruin it. Sounds like you have a lot of Mk1s

maybe +3 heat....
4th, Physical Orb is too good to take away its energy consumption. By doing that, you're basically handing over energy mechs on a silver platter.
Everything else is great
