[2500] - Orks - Unbound Dread Mob

[Akaiyou]

I will be facing a list that will include an Imperial Knight Errant and some variant of the Baneblade. Playing 2500 points capture the relic. He will be using SM + AM

This is what i'm running what do ya think?

2500 Pts - Codex: Orks Roster - Unbound Dread Mob + Flyers

HQ:
1 Warboss, 104 pts ('Eavy Armour; Bosspole; Power Klaw; Shoota; Da Finkin' Kap; Warlord)
1 Big Mek, 40 pts (Big Choppa)
1 Big Mek, 40 pts (Big Choppa)
1 Big Mek, 40 pts (Big Choppa)

Heavy Support:
1 Battlewagon, 145 pts (Codex: Orks; Killkannon; Reinforced Ram)
1 Battlewagon, 145 pts (Codex: Orks; Killkannon; Reinforced Ram)
1 Battlewagon, 145 pts (Codex: Orks; Killkannon; Reinforced Ram)

1 Deff Dread, 100 pts (Power Klaw x2)
1 Deff Dread, 100 pts (Power Klaw x2)
1 Deff Dread, 100 pts (Power Klaw x2)

1 Killer Kans, 55 pts (Grotzooka x1)
1 Killer Kans, 55 pts (Grotzooka x1)
1 Killer Kans, 55 pts (Grotzooka x1)
1 Killer Kans, 50 pts (Rokkit Launcha x1)
1 Killer Kans, 50 pts (Rokkit Launcha x1)
1 Killer Kans, 50 pts (Rokkit Launcha x1)
1 Killer Kans, 50 pts
1 Killer Kans, 50 pts
1 Killer Kans, 50 pts

:
1 Kill Bursta (IA), 400 pts (Bursta Kannon)

Formation:
1 Skyboss Wingnutz' Air Armada, 675 pts (Formation)
1 Blitza-Bommer
1 Burna-Bommer (Skorcha Missile x2)
1 Dakkajet (Twin-linked Supa Shootas x3)
1 Dakkajet (Twin-linked Supa Shootas x3)
1 Dakkajet (Twin-linked Supa Shootas x3; Flyboss)

Total Roster Cost: 2499