Each Quell(er) version is reguarly updated, and new versions are also released along with new profiles. The place to check for these updates is AI Central, the home of every AI you could ever want for Total Annihilation.  Filled with reviews, extra AI units and the widest and most up to date selection of AI's anywhere.  At AI Central, the machine rules supreme.

Quell(er) TA & CC, designed to play both Total Annihiltion with and without the Core Contingency, it can enhance both your skirmish and mission experience with its unmatched expansion and aggressiveness.

Queller UH, designed for the TA balancing MOD UberHack.  This AI understands all the changes and uses them to its advantage.

Quell FB, for the game type Flea Bowl.  Have fun tackling thousands upon thousands of Fleas, and find out just how deadly they can be.  Find the hidden add-on for extra fun.

Quell TAK, made for standard TAK.  It will expand rapidly, level up wisely, and summon hordes of creatures hungry for blood.

Quell CUT, designed around the TAK Crusades balance, it focuses on what it wishes to do and makes sure it has the best units to do it with.

Quitch
Creator of Quell(er) AI for TA/K
Webmaster of AI Central
http://www.planetannihilation.com/aicentral/