Sorry John for the late reply, I worked late last night. But I wanted to Thank You very much for elaborating on this issue and in such great detail. I've got a lot to learn about the whole pot selection process. I knew the pot might be a bit large based on the "rules": W=2/3 ht, L= 1/2 ht and D= Diam. of trunk. But thought it would work (and I was concerned about going to small, too fast, considering the 6" depth of the pot.)
I broke out "The Magician" to see Mr. Kimura's pots...didn't pay attention my first read thru to be honest. I now see what you mean. The pots do harmonize very well with his bonsais. And now that I think about it more deliberately, I think I chose the pot more for the 'harmony' to the tree and less thought about the sizing. It looked good to me at the time despite the "rules". I'm at least glad that the pot will work for me and the Cypress for now. And what a good idea to change the pot over time for a new look...interesting to learn it came from Boon

I looked at the your little Trident. First off, really nice bonsai John! Secondly, the Erin pot is very nice! But I see what you mean considering it's only 6" tall. Shohin bonsai with large fat trunks must be a bit difficult choosing pots, esp. if you go by the "rules".
And I also wanted to let you know I appreciate your long term styling tips for a Cypress: I think Boon posted a sawara here somewhere, the key is that you want it to be dense enough to give the feel of ramification, yet open enough to allow light, air, etc in to the core of the tree.
The key point is to wire it completely, develop the pads and then pinch and prune as appropriate to form the density and silhouette. If you don't get in to the rhythm of wiring, pinching, pruning, repeat, you won't get the tree that you expect to.
This bonsai DOES need wiring and some pinching and pruning right now. The pads are weak, as well as the ramification. It's not what I envision as 'finished' right now. Good branch structure, but needs working. Do you think it's a good time to wire it up and leave it on over winter, or wait till late winter? And start the pinching and pruning next spring?
(I'm going to track down Boons Cyress thread now. Thanks for the info, I'd love some examples of well done Cypress')