>PSGI might appear to be new but much of the guts of Plack are pulled from previous framework-specific code so the various workarounds for server insanities are already there. It's a lot more reliable than you appear to think.

I see. Perhaps my vision of the state of PSGI is not right indeed. Nethertheless, my apps run under Fast::CGI and I really don't see the advantage of PSGI.