Hey Chris,
The nemo is a good idea from a factory standpoint,
PRO's
Lightweight
No Need for Trekking Poles
Fully encompased bivy
CON's
Expensive
NOT WATERPROOF - I had a customer bring one back the other week and play hell with me.
Need to have NEMO's Airpump - not very strong
Overall nemo is a good company, but because some of their products are so new on the market, they are still learning which fabrics to use and what customers want.
I would hold off and look into the MLD or Bozeman Mountain Works Bivys
Regards