feedback requested on possible talks for 2005 conferences

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It's that time of year when Perl conferences ask for submissions.  Last
year I asked for some feedback on what subjects people wanted to hear
about, and I'll be submitting an article based on that talk for
publication soon.  Now I'm looking for some opinions on what to do this
year.

Here are rough descriptions of my current ideas:

Perl MVC Frameworks for Web Development
---------------------------------------
There are many frameworks for applying the model-view-controller pattern
to web development, and Perl has no shortage of them.  This talk will
look at the options available and compare a sample application in each
of them.  We will briefly explore Apache::PageKit, Maypole,
OpenInteract2, Catalyst, and CGI::Application, in order to help
developers determine which one is best suited to their philosophy.

Porting Legacy CGI Scripts to mod_perl
--------------------------------------
There are some easy tools for running old CGI scripts under mod_perl,
but that won't capture the full potential of the platform.  In this talk
we will show in detail how a sloppy CGI script is turned into a clean
mod_perl program -- that runs 20 times faster than the original.

Getting Web Sessions Right: Fast, Easy, and Secure Session-Handling with
mod_perl
------------------------------------------------------------------------
Session-handling should be simple, but it involves many choices and cuts
across multiple concerns.  You need to be sure your sessions will be
unique across a cluster of machines.  You need to be sure malicious
users can't tamper with them or hijack other people's sessions.  You
also need to be sure that they are very fast and don't put a heavy load
on your servers.  This talk will describe the issues and show how to
solve the problems, with recommendations for specific setups.

Top 10 Perl Performance Tips
----------------------------
Do you use DBI?  Template Toolkit?  mod_perl?  BerkeleyDB?  Some ways of
using these tools are more efficient than others.  In this talk, we will
look at 10 common mistakes people make with these and other Perl
technologies, and see how much we can speed things up by fixing them.
The focus will be on getting big gains from low-hanging fruit, not
obsessive changes that obfuscate code.

So, if anyone would care to send me any feedback on which one they'd be
most interested in hearing about, I would appreciate it.

- Perrin