This is my u/r stax build taken from 1-29-05.  It was piloted by Ralf Meyer.

 Trinistax (U/R)
Ralf Meyer
1st place, 2005-01-29 Wittlich

1 Black Lotus
3 Crucible of Worlds
1 Duplicant
1 Mana Crypt
1 Mana Vault
1 Memory Jar
1 Mox Emerald
1 Mox Jet
1 Mox Pearl
1 Mox Ruby
1 Mox Sapphire
4 Smokestack
1 Sol Ring
1 Sundering Titan
4 Tangle Wire
4 Trinisphere
1 Triskelion
1 Ancestral Recall
1 Mystical Tutor
3 Thirst for Knowledge
1 Time Walk
1 Timetwister
1 Tinker
4 Goblin Welder
1 Wheel of Fortune
2 Ancient Tomb
2 Island
4 Mishra's Workshop
2 Polluted Delta
1 Strip Mine
1 Tolarian Academy
4 Volcanic Island
4 Wasteland

Sideboard
2 Blood Moon
1 Blue Elemental Blast
4 Chalice of the Void
1 Pyroblast
2 Rack and Ruin
2 Red Elemental Blast
2 Triskelion
1 Viashino Heretic

It seems a bit unorthodox, however, with only 3 thirst for knowledge.  As someone who has never played stax before, i see only 5 win conditions:
Duplicant
Sundering Titan
Trike
Tinker
Mystical tutor to fetch tinker.

It seems like the deck is a bit threat light, and of course some locks the deck puts on are only temporary (tangle wire without welder etc).

I'm just wondering if anyone has any suggestions, tech, or insights for a new stax player.

Thanks