Loose 1000pt grey knights

Ok so have'nt played 40k before let alone grey knights, which i keep hearing are the hardest army to field (weak heretics).
So this list is pretty loose and i will probs take anyones changes over my own. Also only looking at around 1000pts for now.

Need help with what the best wargear setup's are for just general all purpose gaming.

HQ
Grand master - psycannon (help with wargear)
Bodyguard - 2 termies

ELITE
3 termies - bro capt, psycannon

Inquisitor (this is where i need most help with wargear) - artificer armour, thunder hammer, bolter

TROOPS
4 grey knights, justicar - incinerator

9 stormtroopers (gonna put with inquisitor) - plasma, flamer

HEAVY
2 dreadies - lascannon, missle launcher
(I've got multimelta and CCW arms as well, could someone tell me if there just rubbish or if they might be worth while replacing one las, missle)

Cheers for your help guys

I'll start with Heavy I think.
If both your dreadnoughts are going to be equiped Lascannon, Missile Launcher... You might be better using a LR instead.
Or you can use a Assault cannon/Ccw to support your infantry
Or you can go all out assault without guns... usually best if your hiding behind a assault tank.
Don't use the multi-melta because our versions are forbidden to DS, unless you know your going to face an assault tank then it's ok.

9 stormtroopers (gonna put with inquisitor) - plasma, flamer
Always best to double up your special weapons, use two plasma. Also consider using a rhino and double meltagun combo.

Inquisitor (this is where i need most help with wargear) - artificer armour, thunder hammer, bolter
I don't really know myself, theres so many builds...
Personally I would use Inq Lord - Storm Shield (3+ invulnerable), Incinerator, Hammerhand
or Artificer, Thunderhammer, Holocaust.
Consider using a Teleport homer for your GKT's
TROOPS
4 grey knights, justicar - incinerator
Only use incinerator if you have a transport vehicle, also you need to increase the size of the squad.
You can use a pair of Pyscannons for a firebase/shrouding combo, or you can go vanilla (no specials) for a more manuverable unit?

HQ
Grand master - psycannon (help with wargear)
Bodyguard - 2 termies

ELITE
3 termies - bro capt, psycannon

Increase the number of Pyscannons in the squad upto 2 and increase the wound number to 4 or 5.
Also use a Brother Captain instead of a Grandmaster (very expensive), unless your fighting some big beasties of course.
Good Luck brother