From HF's Glossary page:
"Imaging - The sense that a voice or instrument is in a particular place in the room."
I already wrote my comparison in the TG334 thread: http://www.head-fi.org/t/597146/fitear-to-go-334-suyamas-custom-iem-made-universal/540#post_8547913
And thanks for your compliments!
Yes, of course.....As soon as I followed the link I remember reading your insightful comments.