For 1850: Orks or Space Wolves

What should I play at the upcoming 1850 event at Area 51?

Orks:

Ghazghkull
Warboss: Warbike, Cybork, Powerklaw, bosspole
7 Nob Bikers: Painboy, Big Choppa, 3 PK, Cybork, Waaagh! Banner
6 Nobs: 3 Big Choppa, 2 PK, 6 Heavy Armor, Waaagh! Banner, Bosspole in Trukk
10 Ard Boys in Trukk, Nob with PK, BP
11 Shoota Boys in Trukk, Nob with PK, BP
13 Boys in Trukk, Nob with PK, BP
12 Lootas

All Trukks with Armor Plates, Red Paintjob, Stikkbomb Chukka

Or Space Wolves:

Bjorn
Wolf Lord: Combi-melta, Frost Weapon
Wolf Priest: wolftooth necklace, plasma pistol, warrior born
Wolf Guard: PW/Plas Pistol x 2, BP/Plas pistol
9 Grey Hunters, meltagun, PF in Rose-Pattern Rhino
9 Grey Hunters, meltagun, PW, MoW in Drop Pod
8 Grey Hunters, plasmagun, plas pistol, pw, MoW in Drop Pod
7 Blood Claws, flamer, Lukas in Drop Pod
2 x (Long Fangs: 3 ML, 1 Lascannon)