@Richlacal
Well a body bag is a bit to heavy (well the models i know are)...

@codyjack
The Ortovox Gemini Double looks interesting. I will have to look if it's availible in mine country.

@BorkBorkBork
I will not use the bivybag to substitue clothing, but since weight and weight is a big issue i will carry limited reserves. A tube tent or similair it to drafty and can not be used on its own.

I do not have any experians with the botty bags, but i'm not sure if it's the right choice for me, but the weight of the botty bags looks great...

@Am_Fear_Liath_Mor
I'm looking for a bivybag, not a botty bag. I guess the bivybag is a more mainland thing? but the botty bag does look interesting... 2 persons bivy bags do exsist. I have one, but mine is the basic, oversized waterproof stuff sac model. The hooped bivy's are to heavy and fancy.

@Art_in_FL
I already have most stuff i need. I just want smaller and lighter alternatives. Which makes it harder to DIY...