not to get off topic, but really the only things stopping me from giving hillotyopes a whirl are a) money and b) the fact that Hill, in a process that already involves mercury vapors, calls hydrofluroic acid particularly poisonous. I did some reading on the chemical, and yeah, scary stuff.
Maybe some day though.
Hermit, I'd be curious to know how you think the look of collodion dry plates compares to wet plates. Similarities, differences?