[2000] - Space marines - Please help improve my list Imperial fist/Salamanders

[Nicholas Townsend]

Is this an improvemnent? i have 15 points spare off 2000

Sternhammer Strike Force

Chaplain,jump pack with Vanguard veterans

5 Tactical marines, Plasma Cannon
5 Tactical marines Heavy Bolter
5 Tactical marines Heavy Bolter

Devastator squad 4 lascannons

Contemptor dreadnaught Kheres assault cannon

Bike squad 4 bikes 2 Plasma Guns ,combi plas
Assault bike heavy bolter


Auxillary
1st Company task force

6 man Sternguard squad 3 combi grav
1 heavy flamer
Drop pod

5 man Sternguard squad
Razorback twin linked Lascannon

5 Man vanguard veterans
Assorted weapons and jumppcks

Allies

Salamanders

Techmarine Conversion beamer
2 Servitors Heavy bolters

Assualt squad evisecerator ,2 flamers(master crafted Chainsword sergeant)

Tactical squad ,combi flamer,flamer,multi melta
Rhino

Dreadnaught twin linked las cannon

[Wolfshade]

In what ways do you want it improved, what is it not doing that you would wish it to? What armies do you face? How are you using it?