So this is what i'm currently playing with (since getting my Gorkanaut built):
Mek on Bike - kustom force field
Weirdboy - weirdboy staff, smite, Da Jump
Weirdboy - weirdboy staff, smite, Warpath
Nob with waaagh banner
Slugga Boys - 19, nob with 'uge choppa,
Shoota Boys - 30, nob with 'uge choppa
Grotz - 10
Killa Kans - 3, klaw and rokket
Gorkanaut, 2 rokkets, 2 twin linked big shootas, scorcha, deffstorm kannon
4 x Lobba - 2 grot krew each
Battlewagon - 'ard case, deff rolla
Battlewagon is run bare bones, as inspired by greggles. Shoota boys get jumped up field on turn 1 so opponent is faced with choices on threat priority.
Tabled an Iron Warriors army with it and playing Primaris tonight.