BMW F800GS - How much to transform like this?

[Slainte Mhaith]

How much will it cost to transform a 800GS like one of these below?
Convert to something that is maybe a bit lighter but can handle rough gravel roads with ease.

Shocks
Wheels  (Excel local or imported from Woody?)
Brakes and disks
What else?

  OR

 

[Sandban(g)k]

 

[Slainte Mhaith]

 

[superfoxi]

 

[Moondog]

 

[Sandban(g)k]

 

[Crowley]

 

[Slainte Mhaith]

 

[adv]

 

[Daizy]

 

[Crowley]

 

[Crowley]

 

[Slainte Mhaith]

 

[Crowley]

 

[the real Takbok]

 

[Crowley]

 

[motorfiets]

 

[teebag]

 

[Slainte Mhaith]

 

[monkeyboy]