DeletedDomains.com: “…is the ultimate tool for uncovering both “on hold / expiring ” domains and “deleted” domains.” Cool.
BlogTree is a clever idea — lookup blogs by URL and see what parent blogs inspired their creation and vice versa. A neat way of finding new weblogs with similar interests.
CSS3 For Web Designers Paperback + eBook A Book Apart
Bulletproof Web Design Third Edition New Riders 
Handcrafted CSS Book and DVD New Riders 
Web Standards Solutions Special Edition Friends of Ed 
Dribbble What are you working on? 
Instapaper Icon design