Okay found a few things:
Some abbility descriptions here:
cobra destroyer: die hard abbility reads: clears out redundant life support systems in favour of redundant repair systems. remove the last redundant i reckon. unless i have forgotten the real meaning of the word and are misunderstanding which is possibly aswell.
AnnaV warship: might shot: the ship unleases its forward missile batteries devestating at a nearbye target, devestating any enemis caught in its line of fire. In any case the first use of devestating misses an LY at the end, but maybe just skip the word entirely, seeing that you use devestating in the next sentence also.
ghost: ion cannon reads: "ion disables the targeted unit, preventing it from firing or.. " Seems to me that a word or two are missing at the start here, like the ships ion cannon disables... or whatever really, i just felt that just "ion" were missing something.
mins wind carrier: true grit abbility :missing a big letter at the start.
last ship in the cruisers build meny is missing a string.
and offcource the earlier mentioned green arcadias master and commander abbility that somehow grants negative range instead of positive.
I liked the 9000 trance whatnot you want to define it as, techno etc hehe, you know what i mean. 9 thousand, dunka dunka dunka dunka rinse and repeat. hehe. It surely feels like some crazed cyber pirates. But you could use a few more tracks for the rogue faction to not explode peoples heads with the 9000 assaulting them every 5 min. Hehe.
Balance wise its pretty descent i think, sure the cobra + ghost spam is nasty and the rogue raider is a strong beginning ship but i cant really find any glaring imbalances, maybe some nitpick here and there though, but thats better left to those that play multiplayer, vs the ai it works perfect.
And yeah, custum sounds ugh. i tried my hand at some voice work a while back, and its hard if you dont have much previous experience and knows just what to do to get the right pitch and sound. Just ripp some stuff from various movies, games etc. Hard to find and cut out though. I really cant help you personally, i like to belive i can be very intimidating but sadly my voice when speaking in english dont agree with me.
I could try offcource.. but it wont be good!
edit: the holy light upgrade for the genesis starbase reads in its description "which all damages.. " should be "which damages all..." i reckon.
ragnarok scourge reads: boosts many tendrals of strike craft, is it supposed to be tendrils?
research precursor : hunger frenzy reads: adds the blook hunger frenzy, assume it should be blood instead of blook.