as the creator and owner of the original "red & Juggy* WSSM", the simple solution to not having a 3rd grate level is to get a 2nd middle section from Weber, then take a Dremel to the bottom edge of it.
mark and cut out notches for grate pegs on the other middle section, then make regular cuts a couple inches apart, all the way around, and gently bend each section in until the upper slides into the lower easily.
works great, and gives you lots of flexibility in what you cook with it.
get a second grate for the firebox, @ 90* angles to the fist, a charcoal ring to hold the fuel together and centered, and fill the "water pan" with crumpled aluminum foil, covered with several layers of HD foil, to make clean up easy.
as soon as i figure out how to poast pics, i'll share with y'all.
*Juggy was a long time poaster at the "other" forum, and had lots of good advice on how to approach the modification... he's one of many i really hope i'll run into here too.
redc1c4,
n00b here, but not to 'Que!