I dont' know the names of the kennels, I will have to look.. But the crates that I found to be most sterdy are the ones that are held together with screws on the sides. I have watched People's dogs with the ones that slide and clip in the back and theirs get out of them pretty easily.
Commander Charly Titan (GSD)-15 Jan 2010
Lady Athena (BB)-2011-2012 (RIP baby girl)