Jones Beene spotted a really interesting paper (on vortex-l):
Besides being well-written and documented, it seems to describe the holy grail - repeatable fully characterized room temperature superconductivity. In particular, look at figure S7C in the end section. The vertical scale is mis-labeled but the transition temperature measured to be 320 K has got to be a world record!
Replication, anyone? (just kidding unfortunately).