This is my very first army list ever. So, be nice

. I chose Orks because they looked like the most fun to play and paint and their hilarious. The army list I made goes something like this...
HQ (115 pts.)
Warboss w/
PK , shoot/skorcha kombi-weapon , attack squig , bosspole , 'eavy armor
Elite (255 pts.)
Nob Squad:
Nob w/ big choppa , bosspole , 'eavy armor
Nob w/ big choppa , bosspole , 'eavy armor
Nob w/
PK , bosspole , 'eavy armor
Nob w/ bosspole , 'eavy armor
Nob w/ shooti/skortcha kombi-weapon , bosspole , 'eavy armor
Trukk w/ red paint job , armour plates , boarding plank , reinforced ram
Troops (510 pts.)
Ork Boyz:
1 Nob w/
PK , 'eavy armor , bosspole
3 Boyz w/ rokkit launcha
27 Boyz
Ork Boyz:
1 Nob w/
PK, 'eavy armor , bosspole
3 Boyz w/ rokkit launcha
27 boyz
Fast Attack: (115 pts.)
Warbikers:
1 Nob w/
PK , bosspole
2 Biker Boyz
I'd love to hear your suggestions and tips on how to make this army list better. Thank you!