This is something that I've been kicking around for awhile. I have a 15.5 gallon stainless Bayou Classic that came with a steamer basket. I took my Greenlee punch to the basket and fashioned a smattering of bigger holes into... instead of using a bag, I've been thinking about lining the basket with some 300 or 400 SS mesh (there's a vendor on another thread who has sort of fallen into supplying custom SS mesh things for the HB community).
This really appeals to me. Cleaning would be a cinch.. turn it upside down and spray the chunks off with a hose. Done.
GREAT thread.. I find myself doubting that just the mesh alone would withstand a grain bill for 10 gallon batches, which is why I was considering lining my steamer basket with mesh. Leaving a 1/2" space between the basket and the mesh basket might work out well though.. although, I could punch extra holes in the bottom of my basket to kind of "force" more of a "false bottom" sort of thing.
This is all very similar (if I recall correctly) those fancy "Meisterbrau" systems.
I love HBing. So many option. :-)