I saw people writing lists in the forum so I thought I would right a list of tau. So this is the list.                                                                                                                                                                  Brigade plus battalion.  20cpts.
Warlord trait  strength of belief. 
Relic puretide engram chip
Tau sept                                                           HQs
1 coldstar battelsuit.  Selection. 3 fusion blasters and a shield generator. warlord price 161pts. 
1 cadre firblade. selection pulse rifle and marker light. Price 42pts
1 longstrike selection rail gun burst cannons and two seeker missiles.  201pts
                                                            Troops
4 squads ten of strike teams selection pulse rifles. 70 pts each
3 squads of ten breaches selection pulse blasters. 70 pts each
                                                               Elites
3 squads of 1 firesight marksman  25 pts each
                                        Heavy support 
2 broadsides selection two high yield missile pods and two smart missiles with a seeker missile each. And velocity tracker. 147pts each. 
1 hammerhead with rail gun burst cannons and two seeker missiles. 164pts 
                                                        Fast attack
2 squads of 5 path finders selection marker lights and pulse carbine. 40pts each
1 squad of 4  shield drones. 40pts.
Battalion
                                                             Hqs 
1 etherial selection honour blade.  45pts.
1 crisis commander selection plasma rifle and missile pod with a shield generator 150pts.
                                                 Troops 
3 squads of ten kroot selection kroot rifles. 50pts each
Heavy support
 1 broadside selection heavy rail rifle two plasma rifles and seeker missile with velocity tracker. 120pts.
1 sky Ray with burst cannons six seeker missiles and two marker lights. 152pts
1997 pts. 
That is my 2000 pt tau list.