Tyranid List - Seeking Feedback

So, I'm not going to provide a lengthy explanation, I just want to give you guys the lists and you guys tell me what you think. Interested both in reviews of the lists themselves as well as comparing the two lists' relative strengths and weaknesses.


List 1:

Tyranid Prime, Lash Whip/Bonesword, Scything Talons
Tyranid Prime, Lash Whip/Bonesword, Devourer

Zoanthropes x 3
Hive Guard x 3
Hive Guard x 3

Genestealers x 28
Tervigon, Catalyst, Onslaught, Adrenals, Toxins
Tervigon, Catalyst, Onslaught, Adrenals, Toxins
Termagants x 10, Devourers
Termagants x 10, Devourers

Raveners x 3, Rending Claws
Raveners x 3, Rending Claws
Raveners x 3, Rending Claws

1997 Points.

List 2:

Tervigon, Catalyst, Adrenal Glands, Toxin Sacs, Crushing Claws

Hive Guard x 3
Hive Guard x 3
Hive Guard x 3

Genestealers x 26
Tervigon, Catalyst, Adrenal Glands, Toxin Sacs, Crushing Claws
Tervigon, Catalyst, Adrenal Glands, Toxin Sacs, Crushing Claws
Termagants x 10, Devourers
Termagants x 10, Devourers

Raveners x 3
Raveners x 3
Raveners x 3

1989 Points (some room to spare).