I use these shelves. They're a little heavy to move around often, but they're good quality for the cost.
http://m.homedepot.com/p/Husky-5-Shelf-48-in-W-x-78-in-H-x-24-in-D-Silver-Steel-Storage-Shelving-Unit-in-Silver-MR482478W5/203828250
Looks like a new offering. I haven't seen it in stores yet, but I'll look for it this weekend. Thanks for the heads-up!
As for the lead, it was trace amounts in a small sampling of one flavor. I'm not going to say that any amount of lead is healthy, but given the amount of produce from across...