that's why I was thinking the floats, it would distribute the weight over a greater area, depending on the snow, I'm thinking it may effect take offs/landings a lot...

http://www.helimax-rc.com/accys/hmxe2000.html

or I could probably make a set out of that round tube stuff that they sell for kids to play with, I have no idea what it's called.. it floats and bends, that may work better, just put it around the existing skids..