In my opinion a screencast on how to integrate Amazon webservices with a web app would be a good show.

Do an episode on nginx.

Topics could include:
- Installation & Basic Setup
- Subdomains
- Re-writing ( could use maintenance.html as an example )
- Load balancing ( could mention the fair balancer in there )
- Profiling / Optimization
- Gotchas

A screencast or PDF showing unique techniques and patterns used by Rubyists.

1. How to embed Google Calendar in a Rails app.
2. How to integrate the Google Calendar api with Rails app.

Google calendar rock! So does Rails. They are made for each other.

A screencast or PDF on using memcached to dynamically cache database and rendered content.

A PDF that explores and explains the design and implementation of Rails itself.

Introduction to Erlang

A PDF sequel to the ActiveMerchant book that talks about setting up and processing monthly billings in a secure way that complies with industry regulations.

Lots of people use business webapps for invoicing, project management etc. Learning how to use ActiveResource to build a dashboard of all these webapps would be useful.

I couldn't find a comprehensive tutorial on RSpec that walks through all the methods and techniques I would require to test my social networking application. You know, testing stuff like Uploads, Forums, Posts, Users. May be Webrat should also be covered. This is really something that's not being done since long.

A screencast or series about using regular expressions to match patterns. Originally suggested by Pete Forde.

Trying to learn BBD, but most documentation is on RSpec, would like to see a screencast on Shoulda + Cucumber that doesn't assume you're already an expert RSpec user

I'd like a Haskell screen cast. I've tried reading the "Real World Haskell" book, but my attention span is way too short. A screencast with practical examples would be perfect for me.

A complete A-Z screen cast for how to setup a simple, yet functional user authentication and login.

Should have:
RESTful properties
Rails 2.x
Account creation
Account activation
Basic functionality

Implementing an sample rails web application using Tokyo Cabinet, Tyrant and Dystopia
http://www.scribd.com/doc/12016121/Tokyo-Cabinet-and-Tokyo-Tyrant-Presentation

I have been a longtime listener of the Ruby on Rails podcasts and I've viewed the peepcode preview videos numerous times. I have yet to purchase a peepcode screencast because I'm not really interested in Ruby on Rails. I am, however, interested in Django and I would love to see some Django topics covered by Peepcode. I would subscribe for those.

Create a screencast showing how to use selenium on rails and some of the best practices surrounding creating tests