I'm gonna go a bit backwards here, so bear with me. Oh, and welcome to TO

. And I'm going to suggest trimming points and adding things even though you said you were trying to just use mostly the Battleforce and a Piranha.
I've heard most people are fans of the 10 Kroot and 5 Kroot Hounds setup (I don't use Kroot, but I'm weird). I think the whole unit is only 100pts and can still Outflank.
I personally love a Shas'el with TA (Targeting Array), HWMT (Hard Wired Multi-Tracker), SI (Stimulant Injector) and for weapons a Plasma Rifle and a Cyclic Ion Blaster. I think it comes out to 110pts and does the job (shoots TEqs and... lots of other stuff well) without going overboard. I use cover/my Devilfish extensively to hide my suits behind so Invulns are superfluous to me.
If you want you could replace the SI with a(+) Shield Drone(s). That's essentially what you have already. I actually brought a Shield Drone last game (got krumped but it wasn't my list's fault) and my commander survived the whole game, so I'm okay with them.
I don't really care for Fireknife setups (Plasma Rifle + Missile Pod) because of their conflicting: range and AP. The optimal range for the Plasma Rifle is 12" (which is not really the optimal range for
any XV8) while the Missile Pod fires at full capacity from 36" away. A Firestorm (Burst Cannon + Missile Pod) and a Helios (Fusion Blaster + Plasma Rifle) are better for handling different situations (a Firestorm will eat Hordes while a Helios chews up T/MEqs). By switching one suit to a Helios you also get more anti-tank (or at least keep what you lose by ditching the FB on your HQ).
I don't like the Team Leader upgrade on Stealth unless I'm bringing an
SMT (which I do often... actually the rest might be useful to you as well). If I'm not planning on purchasing that markerlight (s)he's just not worth it. The Target Lock and Fusion Blaster I'd normally say drop but you're thin on Anti-Tank so IMO keeping 'em is a good idea.
I don't think Gun Drone squadrons are worth it at 1000pts. There are just too many other things you "need"

. With those 72 points and the... (62-50=12

) 12pts you can save by switching a Fireknife to
Geico a Firestorm you could get an A.S.S. equipped XV88, and boy are they hot

. I like them because I can walk them on from TER (Table Edge Reserves) and shoot some weasely enemy tank that's running from LoS of my Hammerhead/Fusion Suits. If you wanted to do that though, you'd need a Positional Relay... Oh well. A vanilla XV88 is lovely too.
And the Hammerhead should drop some toys. It's going to be a big target for the enemy and it doesn't need to hurt any more when they get it down (oh, and they will). I just run a Disruption Pod, Multi-Tracker, Railgun, and Burst Cannon equipped Hammerhead, and it comes out to around 165pts IIRC.
Aside from that it looks fine. I think maybe you should tell us what you expect to fight (not necessarily a single army, but in general which armies you expect to see or struggle against at your LGS) and we could help more.
Cheers :funny: