This page is for Pilots with an Instrument Rating and for those working to obtain an Instrument Rating.
Flight Simulation - useful for practicing procedures
Global Positioning System - various articles and reference documents.
Do you fly single pilot IFR? It's not as safe as having multiple pilots, but is it safe enough? Read this AOPA Safety Advisory on the topic: http://www.aopa.org/asf/publications/sa05.pdf.
Index of articles on AvWeb written by Don Brown, an Atlanta controller - Say Again Index
Obtaining an Instrument Rating - a discussion of the instrument rating training process.
We spend a lot of time practicing holding and not much time actually holding in the system. Nevertheless we need to be understand holding. Here are some articles from AvWeb that may help.
You should definitely consider being a member of AOPA.