I'm attending a Store Championship on March 26, when Wave 8 should be released in the US and therefore unambiguously legal. It shouldn't hit 50 players, but it might very well have 30.
One option is to continue playing my current Palpatine Aces list (Whisper/Omega Leader/Captain Yorr). It's been pretty successful for me so far, and I've had a lot of practice.
But I'm also excited about Wave 8. I have two lists in mind at the moment. The first is VCX-100/Gray/Gold:
"Chopper" (37)
Fire-Control System (2)
Autoblaster Turret (2)
"Zeb" Orrelios (1)
Han Solo (2)
Gray Squadron Pilot (20)
Autoblaster Turret (2)
Proton Torpedoes (4)
Extra Munitions (2)
R2-D6 (1)
Deadeye (1)
Guidance Chips (0)
Gold Squadron Pilot (18)
Twin Laser Turret (6)
R3-A2 (2)
BTL-A4 Y-Wing (0)
Total: 100