For the time being listed in no particular order, here are ILLiad customizations that you might want to try

Adding a New Custom Queue

Email Routing Rule

Importing articles rec'd on e-mail into Odyssey

Lending Pick Slips – Adding or Removing Word Merge Documents 

Lending Pick Slips - Modifying

Removing Unwanted Sections of Web Pages

Borrowing: How to handle PDF article deliveries

     * This may be a bit system specific, but a great tool

You can find more good customizations at the Workflow Toolkit

http://idsproject.org/toolkit.aspx