Good reports, thanks for sharing them!
A good tactic for Concord vs Ghar is to try burying the Ghar under pins - this works well because directly wounding the battlesuits is hard, and their numbers tend to be low. By having the Plasma Lances in each Concord Strike squad fire at a different unit the rest of their squad, each Strike squad gets to inflict at least one pin on two separate enemy units (as you get a pin simply by taking hits from enemy fire, even if they don't wound). This means that two Strike squads can reliably put two pins on two units per turn, whereas if each squad fires wholly at one enemy squad, they can only ever inflict one pin on each enemy unit under the same circumstances.
Where I found the rules get complicated quickly is in the details of all the special rules - terrain, indirect fire, unusual weapons, crewed support weapons, ammo types, etc. Hopefully you'll pick them quicker than I did though!
I might also suggest "forcing" a terrain setup to represent something specific for a scenario as well - I personally find it helps games better than simply putting a mixture of terrain pieces evenly across the board. Likewise, a variation in terrain density helps different units be relevant in each game (a lesson I learnt from playing Infinity!).
Anyway, I look forward to seeing your further progress and reports. B)