2k Iron Hands List, need help before spending anymore

[Tankman131]

Hello all, im looking to finalize and perfect a list im working on that will be both fun as well as somewhat competitive (hopefully striking a balance).

[HQ]
Librarian going with Sternguard - 115
>Epistolary
>Betrayer's Bane

Techmarine with Bikers - 155 - 270
>Bike
>Servo Harness
>Gorgon's Chain

[Elites]
Sternguard Vet Squad in Razorback - 195 - 465
>4 guys, 1 sergeant
>Razorback
>>Dozer Blade
>>Storm Bolter
>>Assault Cannon

[Troops]
Bike Squad - 135 - 600
>2 bolt pistols, 1 sergeant
>2 grav gun

Tactical Squad in Drop Pod - 190 - 790
>9 units, 1 sergeant
>plasma gun

Tactical Squad in Drop Pod - 190 - 980
>9 units, 1 sergeant
>plasma gun

Tactical Squad in Drop Pod - 190 - 1170
>9 units, 1 sergeant
>plasma gun

The next parts are questionable because im not sure if i want forge world or not.

[Heavy Support]
Fire Raptor Gunship - 225 - 1395
>autocannons

Relic Sicaran Battle Tank - 200 - 1595
>lascannons
>Ceramite
>Dozer Blade
>Heavy Bolter

Typhon Heavy Siege Tank - 405 - 2000
>heavy bolters
>Ceramite
>Heavy Bolter

So what do you think?

how can i make it better?

Another list idea ive considered that drops the typhon and goes down to 1850, which ive been told is a more common tournament point count.

HQ]
Librarian going with Sternguard - 115
>Epistolary
>Betrayer's Bane

Techmarine with Bikers - 155
>Bike
>Servo Harness
>Gorgon's Chain

[Elites]
Sternguard Vet Squad in Razorback - 195
>4 guys, 1 sergeant
>Razorback
>>Dozer Blade
>>Storm Bolter
>>Assault Cannon

Troops]
Bike Squad - 135
>2 bolt pistols, 1 sergeant
>2 grav gun

Tactical Squad in Drop Pod - 190
>9 units, 1 sergeant
>plasma gun

Tactical Squad in Drop Pod - 190
>9 units, 1 sergeant
>plasma gun

[fast attack]
Drop pod for Centurians - 35

[heavy support]
Centurian devastators - 250
>grav amps
>bolters
>omniscope

Fire Raptor Gunship - 225 - 1395
>autocannons

Relic Sicaran Battle Tank - 200 - 1595
>lascannons
>Ceramite
>Dozer Blade
>Heavy Bolter

[Tankman131]

I cant tell if the silence is due to how magnificent the lists are, or how horrible they are