I'm very keen on this kind of thing - having assaults regenerate at a very high rate so they can constantly be the aggressors.

I would suggest:
Caldari: 80hp/s on shields | 1hp/s on armor
Minmatar: 60hp/s on shields | 5hp/s on armor
Amarr: 40hp/s on shields | 15hp/s on armor
Gallente: 20hp/s on shields | 17hp/s on armor

The Amarr rep rate is practically on top of the Gallente rep rate there whilst they have double the shield regen.
Especially as Gallente equipment is more oriented towards active armour tanking than the Amarr I don't think that's quite balanced.

I would suggest:
Caldari: 80hp/s on shields | 1hp/s on armor
Minmatar: 60hp/s on shields | 3hp/s on armor
Amarr: 30hp/s on shields | 10hp/s on armor
Gallente: 20hp/s on shields | 15hp/s on armor

I agree with your buff to regeneration as a whole, but regen needs to more focused on regaining your tank after the confrontation, rather than using your regen during a battle to win it. This becomes a problem with armour reps.

I think these numbers are high, but I really like the idea of a frontal assault specialist that can keep the pressure on. My take on the numbers:

• Caldari: shield recharge rate 60HP/s (up from 30HP/s)
• Minmatar: shield recharge rate 50HP/s (up from 25HP/s)
• Amarr: increase armor HP to 270HP (up from 180HP)
• Gallente: innate armor repair 5HP/s (up from 2HP/s)

Make the changes listed above, gather data, make adjustments as needed.

I opted not to give Amarr innate armor repair because I still think that needs to be a Gallente tanking style. The Amarr should continue to be armor bricks. The Gallente's innate armor repair gives them a free PRO armor repper.

With the regen rates I suggested, another module slot would be too much I think.
Let's increase the regen rate and see what happens, if assaults are still underpowered try adding a module slot.

Personally, Tib, I think that the slot layouts are fine, I believe it's the benefits that are making the suit suffer. For example, most of the other frame suits get dual benefits. The Gallente scout gets scan profile reduction and scan range for example.

Amarr assaults get a reduction to heat, which is great, but still only one.

Cal assaults get a bonus to reload speed of rail tech, correct?

My proposal is this, give them a weapons benefit and a suit benefit.

For example, my benefit for Gk.0 assaults

6% to hybrid blaster Rate of fire per fire, this will effectively make an AR not completely useless in this endeavor, and Ion pistols can also be useful.
second benefit being a 3% buff to armor repair modules per level. This will take advantage of the gals ability to regenerate even more, which is their main playstyle.

Amarr should keep current benefit, as it fulfills its role perfect.
But the added bonus should be something to do with armor buff, or perhaps getting rid of the pesky movement speed involved in the amarr assault. Proposed benefits are as follows, 3% to armor plate efficiency per level, 1% to maximum movement and sprint speed per level.

Minmatar I believe has a good benefit, keep it. Do not add a tightening to spread on this suit, that will kill all competition IMO.
The secondary benefit should be either 4% to max stamina per level, so it's speed tanking doesn't get cut short due to stamina issues, or 3% to shield recharger efficiency per level.

Cal assault really got shafted this build. Give them old benefit with a 1% percent bonus, (3% to shield extenders per level)
and on the rail rifle, perhaps a ROF buff, a tighter spread, or a bonus to a regulator or something.

Much like in Eve Online, races should provide noticeable bonuses with their preferred racial weapon system. For example, in Eve the Gallente receive bonuses with drone weapon systems. Other races can use drones, but not nearly as effect as the Gallente. Other races can fit the ScR and LR, but the Amarr should receive racial bonuses to make those weapons really shine.

No way, I think that would make assaults way too OP. Now, this is coming from a Minmatar suit user so everything feels slightly OP to me, but I have to admit that seems a bit overkill.

Personally, I think Commandos were given bonuses the assaults should have received. I'd like to see the Commando damage bonuses to racial weaponry transferred to assault suits. The assault suits would also all receive the Minmatar bonus to clip size of racial weaponry.

The commandos would retain their reload bonus and receive a bonus to max ammo (say 30-40%) for equipped racial weaponry.

Thoughts?

While I would absolutely love to have something like this 15 hp/s rep on armor on gallente and 12 on amarr are ridiculous. I can just see someone stacking armor reppers on top on them then standing on a rep hive and being unkillable by infantry. The repper madruger of infantry.

I think the assaults role is general infantry. Some better regen and a second grenade slot with the machanics to switch between the 2 would be nice. Maybe slight EHP buff or same slots as logi with some more PG/CPU to compliment.

My proposal would be to make the pilot suit an assault. Give it bonus' to vehicle oriented things (including anti-vehicle) and leave the other suits alone.