The warmachine is very cool, but to me, it isn't properly Gothic Cathedral.
For example, I consider Kolner Dom (the Cathedral of Cologne) to be a really good example of what a Cathedral ought to look like:
http://commons.wikimedia.org/wiki/K%C3%B6lner_Dom
If you were Frenchy, you might like Notre Dame.
Anyhow, the key elements of a Cathedral are cruciform plan, dressed stonemasonry, stained glass windows, gothic arches, flying buttresses, pent roofing and the massive twin towers flanking the entryway.
When I see your model, I'm not seeing enough of the typical cathedral elements to readily identify it as a "cathedral".
In particular, the prominent, repeated use of Greek Ionic columns is jarringly out of place, excessively "lightening" the design.
Then there is the use of the horizontal buttresses ... that doesn't make any sense at all, as they are being used in the exact opposite of how they should be used.