Your comment on that link echo's my sentiment. I like the idea of the Bradley but my requirement is for cold smoking only. I don't mind the initial cost of the Bradley cold smoker arrangement but would like a cheaper way to do long cold smoking.
"A little knowledge can be a dangerous thing".
Especially in my case!!
I once played with some snuff tins, that worked quite well with chips dust and pellets, it was just a bind to find the right size that would fit in the feed system.