A third screencast on VIM might not be a bad idea in which you focus on just personalizing and enhancing VIM by using some of the more popular plugins and creating a workflow for managing your VIM projects. This would definitely appeal to more advanced VIM users

Overview or its features would be cool.

a series of benchmarks on refactoring
1) detailed explanation on how rails3 was refactored, the awdr test suite. A structured summary of the changelog.
2) how to refactor your own code
3) tools like metric_fu and how to make use of them to introspect a third-party application.

Based on real world examples, such as mobileme, I would really like a Rails/SproutCore screencast.

Why it's useful, how it works, and how to use it.

Create a good introduction and foundation classes on how to use Grails.

Learn SAP programming
> OO Concepts
> Web Dynpro
> Workbench basics

A great framework for building web applications

On the product page, at the bottom where it says the dates where
updates were released, it would be great to also list when the
original release plus which software versions those updates were
created for.

which would explain the different type of records, configuration and querying DNS.

Do you plan on publishing PHP screencasts? What about the very basic, say fundamentals of OOP etc.

The many to many relationship is a big hurdle for those new to rails. A screencast on how to use as_many and has_many_through is needed. It should show us how to let your controllers and views use these models and how to keep a clean MVC structure.

I would find an option to sort screencasts by author useful.

I just wanted to send in a recommendation to include iPad optimized versions of your screencasts. I understand that the reencoding process would take time, but I think it would be awesome to be able to watch the peepcode using the iPad's native resolution.

I know there are a few options such as qunit and blue ridge but would love to learn more about the topic

Create a CoffeeScript Screencast.

Screencast on node.js and the V8 engine.
- using comet
- evented programming