Power Objects – PowerObjects wants to empower users to get the most out of Microsoft Dynamics CRM. Their blog covers everything from the basics to the more advanced topics.
Surviving CRM – Blog of MVP Jukka Niiranen who goes into great detail to describe the latest functionalities and releases of Dynamics CRM.
The CRM Book – An online book published by Power Objects covering the ins and outs of Dynamics CRM from both a user as a system administrators perspective. The great thing about this Online book is that it is maintained to incorporate the updates that take place with regards to Dynamics CRM.
xRM Toolbox – Great set of tools which can make your life as system administrator easier. Export metadata, update multiple views, manage personal settings of users, update the navigation menu. These are just a few of the features this set of tools has to offer.