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Looks like all drop side cribs are now out...there are some companies that are offering free immobilizing kits...all the info is on the link
http://www.parents.com/blogs/parents-news-now/2011/06/27/safety/new-crib-safety-guidelines-what-parents-need-to-know/?sssdmh=dm17.533693&esrc=nwpmmdailytip062811&email=2630222876