So I'll take this bike in stock configuration with:
Groupset XT 2012 (but I dream about SRAM X0 or even XX),
Fork Reba RL 100 mm
Wheels DT Swiss 1900 (will be replaced with Crossmax SKR 2012),
Ritchie WCS stem, seatpost and handlebar (alu) will be fine for me but later in will be changed for carbon also from Ritchie.
Seat will be replaced with Sella San Marco Magma MG C - very comfortable and too much rare seat (143 g) I'm not able to find another one for me.
It will be nice to install Crank Brothers Egg beater 4 with Ti axe but I'm not sure that it will be good idea to go to Nepal with such pedals. XTR 980 trail will be more tough (i think) and suitable for this conditions.
Till now I have 3-4 weeks until it arrives to Russia. As soon as I'll get in upgrade period will be started