I have used both; ID Silshelter with a homemade bivy and my sons TT Rainbow. I prefer the Rainbow when I can get it but thats only if he is willing to share a tent on a scout bping trip. I also have a BA(2) and a Marmot(3) but those only go if I am sharing a tent.
Our long-time Sponsor, BackcountryGear.com - The leading source for ultralite/lightweight outdoor gear:
Affiliate Disclaimer: This forum is an affiliate of BackcountryGear.com, Amazon.com, R.E.I. and others. The product links herein are linked to their sites. If you follow these links to make a purchase, we may get a small commission. This is our only source of support for these forums. Thanks.!