Cool article, as always!
LOL!
Some remarks:
Side-mounted SRMs: one of the things that annoys me about TW is that the side-arc on vehicles really sucks. It's basically the arc of a 'Mech arm, without any of the front-arc hexes. Boo.
HAG vs LBX: given both weapons get a -3 bonus when shooting suing FLAK rules, I'd favor the HAG30 over an LBX10. 5-point groups give greater odds of thresholding, or chopping a rotor off a VTOL. HAG30s on average will get 4 locations, which is a little inferior to the LBX's 6 locations, but tripple damage potential seems to balance that out.
Plus, if the Mars itself is being attached, the counterfire counts as shortrange, so the HAG30 gets to roll with its +2 bonus on the Cluster table, bumping the average to 24 damage.
Its longer overall range also keeps it relevant more than the LBX10.
It's definitely not as interesting as the LBX against high movement modifier ground targets, though.
LRMs: You'r right that the 6 tons of ammo is anemic, but I'd still encourage people to bring some Smoke (surprised?) and Frag ammo. Frag is rather nice, since the LRMs lack minimum range, so infantry that sneaks up might find itself shredded. Secondary use would be to clear pesky woods hexes the enemy is using; double damage to woods.
True, this approach would drop the total # of normal rounds down to 32 for 3 launchers, but 10 turns of durability on a Mars seems reasonable. You'd definitely have to make those shots count, as you put it.
I think the Mars deserves some notation with regards to Hidden Unit rules: tripping over a Mars is absolutely going to ruin your day. And vehicles can hide in Clear hexes...!
Looking forward to the next article!
Paul