HQ
CCS, 2 bodyguard, master of ordnance, med pack, 2 meltas, vox 177pt
commander with boltgun, power weapon
I'm not a fan of vox casters in 6th Edition. Med packs are too many points for what you get in return. I tend not to give commanders any upgrades. Their primary value is their ability to give orders.
Elites
Marbo 65pt
I use him too. He helps out with the Linebreaker victory point.
Troops
Infantry platoon
heavy weapon squad, 3 lascannons 105pt
infantry squad, flamer, vox, sarg with bolt pistol and plasma pistol 72pt
infantry squad, flamer, vox, sarg w/ bolt pistol, close combat weapon 62pt
platoon command, melta, platoon standard, sniper, vox. commander w/ boltgun power fist 82pt
Be careful with the heavy weapon squad. It will need cover. With LD7 it won't last long once it takes 25% casualties.
Still not crazy about vox casters and weapon upgrades for leaders (other than power axes for commissars and blob sergeants). Sniper weapons are usually best in mass (3 or 4 in a command squad).
infantry platoon
squad, melta, vox, commisar w/ bolt pistol plasma pistol. sarg w/ bolt pistol power weapon 122pt
squad, plasma, sarg w/ bolt pistol, close combat weapon 67pt
platoon command, standard, 2 snipers, vox. commander w/ plasma pistol, power fist 85pt
Does the commissar have a bolt pistol or a plasma pistol? I would just keep with the bolt pistol and give him a power axe.
Other comments above still apply on commander and sergeant upgrades. I'm not a fan of plasma guns in plain infantry squads.
veteran squad, 7 lasguns, 2 plasmas, vox. chimera w/ heavy bolt, multi laser. sarg w/ bolt pistol, close combat 162pt
I like the occasional veteran squad with three plasma guns in a Chimera. Other comments above apply to vox and sergeant.
Heavy Support
Vanquisher, extra armor, heavy flamer, pintle storm bolt, camo net 200pt
2 basilisks, extra armor, heavy bolt, pintle storm 300pt
Why extra armor? Why a Vanquisher? I agree with sbam10 that you will not get much value from it. You are better off with a Manticore or some other
LR variant (Demolisher and plain jane Executioner are my favorites).
Aegis Defense Lines with Quad Guns and Vendettas are strong additions to most
IG armies.
For allies consider Space Wolves with a Rune Priest and a squad of Grey Hunters.