The picoPSU has received a good deal of attention since it was shown off at CES just a few weeks ago.  Pictures of the tiny 120W unit have been featured on numerous websites, but what about the performance?  Testing revealed that the "world's tiniest 12V DC-DC ATX power supply unit" is no weakling, and that it can provide ample power to keep a Mini-ITX system running reliably. - 
The Review