A few complaints my players have had about regiment creation, and suggested ways to fix it (namely, how we're currently houseruling the problems)
1: There's no option for Favored Weapon. It should be pretty easy to fix this obviously-- just add an explanation of how you pick it to the end of regiment creation rules. Is it just one heavy and one special? Can it be two specials, or two heavies? Can they specialize in unconventional weapons like two-handed swords or warhammers? etc.
2: There's no way to get just one weapon in the squad-- like giving a recon squad a single sniper rifle for example. This is a complaint that's linked to the above in some sense, but we're able to give everyone in the squad a multi-melta or even a best quality autocannon, and yet we're not able to give the group just the one missile launcher. It would be nice if we could purchase a squad heavy weapon, perhaps linking it to the favored weapon-- allowing the squad to start with one of the favored weapons and two reloads in exchange for five to ten points depending on the weapon, for example?
3: Heavy gunners and weapon specialists need access to their regiment's favored weapons! It's a simple fix, allow them to opt to instead have their regiment's special weapon if they have a heavy (for gunners) or basic (for specialists) weapon in their favored weapons choices, and two reloads. We'll certainly be doing that, to be sure.
4: Snipers. The only real dedicated sniper class is the ratling, and since few of us want to play mutants, we've come up with a house-ruled modification of the weapon specialist class. Change weapon skill aptitude to offense, add deadeye shot as a talent choice (instead of lasgun barrage or rapid reload), use the ratling's comrade skills and give the option of getting a long las instead of the usual basic weapon choices. It'd be nice to see some changes to allow for non-mutant psykers-- while ratlings do amuse me, none of my players have any interest in it and have complained that it's hard to make a sniper without playing as a ratling.
We're still going through the creation process and I'm preparing for my first campaign in this system (having played the other four FFG systems, I'm the most familiar with them of the group), but we'll be playtesting it in the coming weeks. I like what I see so far, it just needs some minor changes from what I can tell.