I have the privilege of working with some other great developers who spur me on to be a better person and a better developer.  Here are a few links to their blogs and some posts which you may find helpful...

Dave Weaver - Dave posted some great information on adding new reports to GiftWorks.  His post can get you started on some customizations to GiftWorks.

Jonathan Leaman - Jonathan is working hard on some GiftWorks -> QuickBooks integration and he posted some great information.

Mike Greineder - Mike let users know about a great tip for creating helpful SmartLists.  He also posted a 2-part series on issues with the GiftWorks -> QuickBooks integration.  Part 1, Part 2