New to ork, my very first list. Any help or suggestions would be great.

HQ
Warboss 115
-Powerklaw
-Attack Squig
-Cybork Body
-Bosspole

Big Mek 105
-Burna
-Kustom Force Field

Elite
15 Burna Boyz 225
-2 Meks
--Big Shoota

6 Mega Nobz 240
-Trukk 45
--Red Paint
--Ram

9 Nobz 418
-1 Painboy
-2 Reg
-3 Power Klaw
-4 Power Klaw/Scorcha
-5 Bosspole
-6 Big choppa
-7 Big choppa/Scorcha
-8 Waaagh! Banner
-9 Power Klaw/Ammo
-Trukk
--Red Paint
--Ram

12 Ork Boyz 158
-Nob
--Power Claw
--Bosspole
-Trukk
--Red Paint
--Ram
--Rokkit

12 Ork Boyz 158
-Nob
--Power Claw
--Bosspole
-Trukk
--Red Paint
--Ram
--Rokkit

12 Ork Boyz 158
-Nob
--Power Claw
--Bosspole
-Trukk
--Red Paint
--Ram
--Rokkit

12 Ork Boyz 158
-Nob
--Power Claw
--Bosspole
-Trukk
--Red Paint
--Ram
--Rokkit

Deffkoptas 45
-Twin-linked Rokkit Launcha
Deffkoptas 45
-Twin-linked Rokkit Launcha

Battlewagon 130
-Big Shoota
-Kannon
-Deff Rolla
-Red Paint

Strat is pretty basic, Boss w/ Burna, Mek w/ nobz well screened. Would love to find a way to fit in some tank busting, also may drop unique nobs after cheese level tested.