Weakness of the list

I'm taking this list to the GT and I want y'alls input on which lists I need to be careful of and which lists will make mine cry. Thanks for y'alls input.
1850 Dark Eldar, Tyranids
CAD
HQ 75
75 court of the archon Lhamean (1) in venom with Splinter Cannon

Troops 675
5x 135 Warriors (5), 1 blaster, 4 splinter rifles, sybarite, haywire grenade in Venom with Splinter Cannon

Fast Attack 65
65 Venom with Splinter Cannon

Heavy Support 270
125 Ravager Dark lance, Dark lance, Dark lance
140 Reaper flicker field, enhanced aethersails, storm vortex projector

Hive Fleet Detachment
HQ 720
3x 240 Hive Tyrant Twin Linked Devourer with brainleach worms, Twin Linked Devourer with brainleach worms, Electroshock Grubs

Troops 45
3x 15 Mucolid (1)
Total 1850

the missions are here if you guys are interested in seeing them. https://docs.google.com/document/d/1Qr7mYqH4If-P_ZKvt2aWSzWRJDNWni2JLYp-qi_nf_0/edit