I am going to be riding the same bike I ran in 2013, but have some quite a few modifications based on my learnings.

Bike: Motobecane Ti 29er 

Frame: Titanium
Wheels: Stan Crest
Groupset: Sram X9 2X10's
Pedals: Crank Bros 3
Handlebars: Richley Flat bar running with Fred Bars for the Aero Mounts
Aerobars: Syntace C3
Front Hub: SP Dynamo Hub powering a Biologic Recharge setup
Seat: Specialized
Navigation: Garmin 800 GPS paired with Polar CS 500
Bags: Relevate Bags all round with Sea to Summit waterproof inside the main ones.
Lights Front: Still to decide... (& purchase)
Lights Rear: Planet Bike Superflash USB

Will keep on making changes - so check back here to see what else I have modified.