Log5j and The State of Log4j Version 2

I just took log5j for a spin. For those who does not know, log5j is a Java5 enhancement of the log4j api. It provides two new features on top of log4j, where one is made possible by Java5:

Feature 1: Obtain a logger without giving the logger name (which is bad, I think)
Feature 2: Using printf-style [...]