Attempts so far (P5EE) have not gotten anywhere in part because they were too small and had little community support, or had unclear goals.

Yes, speaking of "branding" problems, P5EE is a nice idea, but I'm afraid it's a terrible name, guaranteed to be uninspiring to perl programmers. Almost by definition perl programmers are people who don't want to be Java programmers, and are likely to be lukewarm on the idea that perl needs to be more like Java.

(P5EE has a nice list of recommended perl modules: P5EE Components... I sometimes toy with the idea of creating a perl-centric linux distro, where all the P5EE modules would be installed by default).