I have been using Easton carbon handlebars for a long time now and and I trust them but I never used a carbon stem...
Somehow aluminium seems to be a better choice for stems are the threads in aluminium inserts or straight in the carbon?

I am very happy with my Easton Haven Carbon Riser Bar, I went from 620 to 711 mm and it doesn't feel to wide at all.
There is just one narrow passage in my local trails that is more difficult with the wider bars.

Now I am looking for 90 mm  17 degree stem to be able to experiment with handlebar height.
I was a bit to radical cutting my fork to get rid of all the spacers.....

I ordered the Extralight Black Lock QR12.1 Shimano E-Thru axle but I have to find a M12x1.5 nut now...

I don't mind taking the BB out, another advantage of BSA....

Although.....I like my new bike so much that I want to ride it every day

I would prefer a cable actuated dropper, easier to install, no bleeding and easier to take out if you want to have a light bike for a race..

Who can tell me more about drilling the FD entrance to fit a 4.5 mm cable??

I still want to get myself an internally routed dropper seatpost and I will have to drill the entrance meant for the front mech.
I read somewhere that there is an aluminium insert there?

I already had a cable in from the headtube all the way out of the seattube:

It will be necessary to remove the bottom bracket and the headset but so be it.

I would prefer a cable actuated dropper with 150 mm travel but the only one that is available is the Kind Shock Lev Integra which has a weight restriction: 90 kg
And thats what I weigh with gear.
The Yep Uptimizer is not available in 155 mm yet.
The Rock Shock Reverb Stealth is another option, I don't like that it is hydraulic..and I wonder how difficult it will install.

Are there any other options that I overlooked? 

I ordered this:
http://www.amazon.de/dp/B0017SBH10/ref=pe_386171_37038021_TE_3p_M3T1_dp_1

It is on its way, I will report back with pictures!

I decided to flip the stem on my 256 and when I examined the the clamping area of the 700 mm wide handlebar I noticed some pressure dents.

I have to send in the handlebar and have to get an replacement asap and I found a good priced Easton 635 mm wide Easton EC90 SL Riser Bar..

I have a 620 mm wide HB on my 26 and the 700 mm seems to be an overkill but will 635 mm to narrow for a 29er?

I am in South Africa 4 months a year and on a lot of  trails there it is very nice to have a dropper seatpost.
Even in the Netherlands there are some trails that are more fun with a dropper imho.

some pictures: