Summer Escalation League

So, my local gaming store is running a 40k escalation league this summer.  It starts at 500 points and increases by 250 points every two weeks until we get to 1500.

I'm still somewhat undecided whether not I want to run my mechanized orks (deff skulls), or a foot eldar list.

Anyways, here are the two lists I'm thinking of for the first two weeks.

********ORKS***************
500 Pts - Codex: Orks Roster

HQ: Big Mek (1#, 85 pts)
   1 Big Mek, 85 pts ((C:Orks, pp. 34 & 97); Unit Type: Infantry; Mek's Tools; Kustom Force Field; Choppa; Furious Charge; Independent Character; Mob Rule; Waaagh!)

Troops: Boyz (12#, 161 pts)
   10 Boyz, 161 pts ((C:Orks, pp. 40 & 100); Unit Type: Infantry; Shootas; Big Shoota x1; Furious Charge; Mob Rule; Waaagh!)
      1 Boyz Nob ((C:Orks, pp. 40 & 100); Unit Type: Infantry; Bosspole; Slugga; Power Klaw; Furious Charge; Mob Rule; Waaagh!)
      1 Trukk ((C:Orks, pp. 41 & 100); Unit Type: Vehicle (Fast, Open-topped); Transport Capacity: 12 models; Boarding Plank; Reinforced Ram; Rokkit Launcha; Ramshackle)

Troops: Boyz (13#, 167 pts)
   11 Boyz, 167 pts ((C:Orks, pp. 40 & 100); Unit Type: Infantry; Shootas; Big Shoota x1; Furious Charge; Mob Rule; Waaagh!)
      1 Boyz Nob ((C:Orks, pp. 40 & 100); Unit Type: Infantry; Bosspole; Slugga; Power Klaw; Furious Charge; Mob Rule; Waaagh!)
      1 Trukk ((C:Orks, pp. 41 & 100); Unit Type: Vehicle (Fast, Open-topped); Transport Capacity: 12 models; Boarding Plank; Reinforced Ram; Rokkit Launcha; Ramshackle)

Fast Attack: Warbikers (3#, 75 pts)
   3 Warbikers, 75 pts ((C:Orks, pp. 46 & 101); Unit Type: Bikes; Warbike; Choppa & Slugga; Dakkagun; Exhaust Cloud; Furious Charge; Mob Rule)
******************************

*********Eldar******************
500 Pts - Eldar Roster

Troops: Wraithguard (11#, 396 pts)
   10 Wraithguard, 396 pts ((pp.46 & 62 Eldar); Fearless; Wraithsight; Wraithcannon x10)
      1 Spiritseer (Warlock) ((p.27-28 & p.60 Eldar); Psyker;  Conceal ; Fleet; Spiritseer Upgrade; Rune Armour; Shuriken Pistol; Witchblade)

Troops: Guardians (10#, 95 pts)
   10 Guardians, 95 pts ((p.39 & p.64 Eldar); Fleet; Shuriken Catapult x10)
      1 Weapon Platform (Scatter Laser)
*******************************

Now, the rules for the league state that at 500 points you are not required to have the traditional 2 troops and 1 hq required by the standard force organization chart, but you can't add any other units until you meet that requirement.  Therefore the eldar list for 500 points only contains two troop units with no HQ.