Well, here we go.
Best Warcaster: I have a particular love of the Harbinger, but this is supposed to be a personal favorite and for me Thyra always comes through. So long as I don't plan on her murdering something herself I always seem to be able to slip Blood of Martyrs into someone and her anti-denial toolbox is great. Screw you, tough.
Worst Warcaster: As much as I'd like to say Grand Exemplar Kreoss since he's so 1 dimensional his feat is too good to ignore, so I'll actually go with Testament. High Reclaimer has some interesting build possibilities with 'jacks and those clouds can mess you up, but Testament just doesn't have the flexibility to really work. If he had something with a full resurrect, or better focus efficiency, or better defensive stats, or practically anything he'd be equal, but he doesn't.
Best Light Warjack: Redeemer. I'd like to see some more Repenter action, but the Redeemer does something that nothing else (mayhaps the Judicator) really does, involving long range boostable shots. It keeps opponents honest so they have to engage and plays hell with really annoying high Defense low Armor troops.
Worst Light Warjack: I'd shoot with the Devout, but that's more due to the messed up nature of Shield Guard currently. Can we get an errata on that, please, PP?
Best Heavy Warjack: I hate this awful thing, but that's because it taunts my dreams. The Reckoner is so goddamn good and is the backbone that really supports any form of ranged Protectorate play due to being the *only* solid single target boostable shot in faction. Add on that it's totally fine in melee, with Reach, oh, and Speed 5.....yeah.
Worst Heavy Warjack: This took some thought. My kneejerk reaction was the Castigator, but I've gotten some decent play out of it with Reznik and I can imagine Intercessor Kreoss liking one as well, so I took a long look at which heavy I don't bring, and it occurred to me that my winner was the Crusader. Yes, its solid, cheap, hits like you won't believe, but due to focus constraints its lack of anything special leads me toward other models. We're a warjack faction, why wouldn't we take our better warjacks?
Best Unit: This was hard not because we have so many wonderful units, but because we have so many really good units. TFG, Daughters, KE, etc., are all really solid. So I had to default to the Knights Exemplar Errants, as they're a relatively cheap unit with a ranged weapon and access to Pathfinder, which just doesn't seem to exist outside of solos.
Worst Unit: Exemplar Vengers. Seriously. Worst cavalry in the game by my reckoning. Other cav hits harder, is more reliable, has better defenses, or is more mobile. Their mat is fine for the most part, but the PS 10 hooves really kill the chances for them to really break through a line to hit a back end charge target. If only we had a caster that could marginally increase their chances of hitting that had access to a damage buff that typed melee damage and Strength....oh wait. We do. So with Intercessor they're probably fine, maybe good. Otherwise I hate 'em. Mostly for letting me down, because I really *want* to like them, but to take them I need to take Rhupert (why Pathfinder when my enemy chooses?) and have some why to buff their performance.
Best Solo: Our solos are mostly all wonderful. There are very few solos (see below) that I wouldn't want, so picking just one as top of the pack is pretty hard. Covenant and Gravus come to mind for the same tech reason, although the no spells on the Covenant is soooooo good as well, and flaming Blessed crossbow bolts deal with Tough so well. I was also tempted by our focus support, Reclaimers and Vassals of Menoth are so good. Then I stopped and thought of what I take in most of my lists, and the winner were Wracks. Weird, but hey I'll take a focus each turn for 3 turns for 1 pt.
Worst Solo: I really want to say Vassal Mechanik as it has always failed me, but I'll have to in good conscience say the Hierophant. While I detest the Mechaniks and their oh so horrible repair skill, I don't expect anything out of them and they at least die entertainingly. The Hierophant on the other hand is always sucking 2pts out of my lists for 1 focus a turn basically. He's kinda the worst caster attachment in the game that I can think of, I'd kill for Wishnailer or a War Dog or something. If he healed more I could see some great synergy with Bastions or have him keep up with more Martyrdom, if he upkept a spell for free, basically anything added to his kit to really make him feel useful as a 2pt model. Compare him to Gorman (top 2pts, period) to the Book (in faction) to even staples like Vassals and he just doesn't quite pull his weight.
Special Mention: Best solo would've gone to Rorsh if this was playable by faction as opposed to in faction. That pig can do some crazy, crazy things.