Fast Attack
Gargoyles This unit doesnt need any changes, should stay exactly as they are in the current book (including not being able to get flesh hooks)
Well, I found them too cheap compared to a Termagant especially when it's possible to take them as troops with the Aerial Assault rule and the addition of fleet.
Harpy I think we can all agree that this is one of the creatures that needs the most help in the current book. You did pretty much everything I would of done. The only thing I am thinking though is the price drop and armor save to a 3+ aren't needed if you give the creature the toughness boost and move like a jet bike. Just those two things and I think you can leave it at 160pts base (the WS increase is nice as well).
After some thinking I agree with your assesment of the creature: I'll drop his toughness back to 5 and leave his/her/it points at 160 although the increased save will stay for now.
HQ
Swarmlord Removed from the game! He is completely silly and is the single most "Anti Tyranid" creature Robin Cruddace could of put into this codex. He basically gave a faceless enemy a face...sigh
I'm not a fan of him either: why must every army have a Mary Sue these days?
But like I stated above I made the descision to keep the SC's in the list: the majority of them are just rare mutants like the Old One Eye. For the sake of argument let's find out what we can do about the Hive Tyrant should the Swarmlord drop from the list
? Which brings us to...
Hive Tyrant - For the most part the revised Tyrant is pretty close to being spot on. The only things I am going to put down are additions to what you already have:
Special Rules:
Synapse: 18” Range
Like I said above: J'approve but then with a small increase in base cost or as an upgrade?
Psychic Powers:
The Horror: Shooting attack, 24” range, -2 LD Morale test on target unit
Psychic Scream: Shooting attack, 12” radius, -1 leadership test, all effected units take the number of wounds that they fail their leadership test by. No armor saves allowed (invulnerable and cover saves may be taken as normal)
Weapon Options:
Bone Sabres (30-50pts): Tyrant replaces all weapons with four boneswords. They cause instant death, force re-rolls of successful invulnerable saves and grant a 4+ invulnerable save in close combat.
I'll propably make them a 50pts upgrade: any cheaper and it's a nobrainer IMO
Special Abilities:
Psychic Monstrosity (30pts): Allows the Hive Tyrant to cast 2 psychic powers per turn and increases shadow in the warp to 24” and grants the Hive Tyrant all 4 psychic powers.
I think 50pts is more appropriate, maybe even 60. Librarians pay 50pts just to be able to cast 2 powers a turn (which may or may not be overpriced in itself
Thorax Swarm (25pts): Creates a swarm of bugs that surround the Tyrant making it difficult for ranged weapons to draw a direction line of sight, gives Tyrant a 4+ Cover Save.
Not sure about this one: it seems too cheap and too powerfull
Swarmlord (25pts): Grants Hive Tyrant the Eternal Warrior Special Ability
That seems sensible: it only works against force weapons, wraithcannons and a few other items.
For each Hive Tyrant you may take up to 3 Tyrant Guard for 50pts each
– OR - if the Hive Tyrant has one of the Heavy Ranged Weapons ie. Stranglethorn Cannon, Heavy Venom Cannon options, it make take up to 3 Hive Guard as body guard instead for 60pts each.
And they gain the Shieldwall rule I presume? Looks rather nice: it's fairly limited, doesn't look like a nobrainer and eases the pressure a bit for the people who just ran out of Heavy Support slots in a Nidzilla list.
If I implement all these changes it will be one hell of an unit entry...which fits nicely with the background. Not to mention that a maxed out Hive Tyrant with 3 Guards will be close to 600points!! Even then s/he'll get the Stampede rule to avoid deathstar builds (I...hate...deathstars!). All right you convinced me.
Swarmlord, consider yourself axed from the list for hideous crimes against the Fluff
Terivgon The only change I would make would be to Onslaught.
Onslaught Cast during the movement phase. Target unit may either Run and fire their weapons - OR - grants target unit "fleet of foot" for that turn.
Not sure if fleeting brood of Carnifexes is good or a bad thing...
Parasite - Lowered to 120-140pts.