Answer
I would recommend a generally mobile force, with the intention to pick off the opponents transports and fast troops, to allow the Tau mobility to unable you to pick isolated elements of the enemy and zoom in late game to capture/contest objectives.
A typical force would be:
Shas'el - keep him cheap
2 units of (2-3) crisis suits - I recommend the cheap weapon load outs, eg. twin missile pod & flamer or missile pod, burst cannon, multi-tracker
10 Fire Warriors in a Devilfish
2 units of 10-14 kroot - put them in a forest, if available, for a 2+ cover save if they "go to ground". Alternatively they one could outflank if there is likely be small enemy units or objectives close to the board edges
1 unit of 15-20 kroot with 6-12 Kroot Hounds - To Outflank
2 Hammerheads (Railguns)
1 unit of 2/3 broadsides with advanced stabilization systems
Any points left could be spent on Pathfinders and/or stealths, and to ensure there are sufficient drones attached to the suit team leaders to ensure their survival.
It's would be too lengthy a post to full answer to your question, so instead I'll refer you to two good site for Tau tactics:
http://advancedtautactica.com/ (just for tactics, not for army list review, although the tactics discussion is very very good)
http://forums.tauonline.org/
However there are many good sites which you could browse to get good information. A couple are:
http://www.40konline.com/community/index.php?action=forum
http://www.warseer.com/forums/
Try to stay in stealth. The Tau have got some stealth of their own though, and also, don't fight them in head to head combat. As Dark Eldar, try and fight dirty.
Eldar; Use lots of Howling Banshees. Tau; Groups of Fire warriors and Commander Shadowsun Imperial guard; Keep 5 Basilisks behind the lines and keep shooting across the map.
Yes, Yes they are. Much better then Space Marines any way
If you are refering to the Tau empire in WH 40K then no they are basicly the only people who make comunism work, Also they are rubbish in close combat (Normally)
no idea steve
No, the set comes with no Codex, dice, or templates.
The current rumor is it is skipping 5th ed and coming out after the 6th edition is released.
Bobby Tau's birth name is Robert Tau.
Macedonia conquered it through superior strategy and tactics.
The motto of Theta Tau is '...'.
it is not the empire state building you must be dumb to believe that it is that he saved up all his money to make a bigger company.
Grand Triskelion