I'm just starting 40k, and I've chosen Orks as my first army. I would like some feedback on this list before I buy any models to ensure I don't waste my money.

HQ: Warboss (Da Finkin' Kap, Power Klaw, Warboss Gazbag's Blitzbike) 130
Painboy (Warbike) 75

Troops: 30 Boyz, 1 Nob w/ Power Klaw and Bosspole 220
30 Boyz, 1 Nob w/ Power Klaw and Bosspole 220
30 Boyz, 1 Nob w/ Power Klaw and Bosspole 220

Elites: 3 Meganobz (1x Skorcha) 125
Trukk (Ram) 35
3 Meganobz (1x Skorcha) 125
Trukk (Ram) 35

Fast Attack: 14 Warbikerz, 1 Warbiker Nob w/ Power Klaw and Bosspole 310

Heavy Support: 5 Kustom Mega Cannons (5 Ammo Runts) 165
10 Lootas 140

Fortifications: Aegis Line 50

Total: 1850