Here's my try at a Mechanized Tau army list:
El?Ferrous Cadre, Tau Mechanized Infantry
140 ? Shas?el (50 pts)
20 ? Plasma Rifle
15 ? Cyclic Ion Blaster
10 ? Targeting Array
0 ? Hard-wired Drone Controller
30 ? Shield Drones (2)
5 ? Hard-wired Multi-tracker
10 ? Stimulant Injector
164 ? Shas?vre Bodyguards (35 pts)
20 ? Plasma Rifle (2)
12 ? Missile Pods (2)
10 ? Targeting Array (2)
5 ? Hard-wired Multi-tracker
245 ? Fire Warriors (12 Fire Warriors) (2 Units)
10 ? Shas?ui
10 ? Markerlight
80 ? Devilfish
5 ? Decoy Launchers
10 ? Seeker Missiles (2)
221 ? Pathfinder Team (8 Pathfinders)
10 ? Shas?ui
80 ? Devilfish
10 ? Sensor Spine
5 ? Decoy Launchers
10 ? Seeker Missiles (2)
170 ? Hammerhead Tank (2 Tanks)
50 ? Railgun
10 ? Burst Cannons (2 for 10 pts)
10 ? Multi-tracker
5 ? Target Lock
5 ? Decoy Launchers
145 ? Skyray
20 ? Smart Missiles
1500