The Leiter Report: A guide to graduate study in philosophy--with a prejudice against Continental Philosophy and for the broadly defined "analytical" tradition. It also presumes an interest wanting to secure a job in one of the "top 50 [if not top 15] research departments." Still quite useful, but students interested in Continental Philosophy should also see Society for Phenomology and Existential Philosophy
University Professor Eric Schwitzgebel's helpful post on applying to Ph.D. programs in philosophy
Are you thinking about attending a graduate program in philosophy after graduation? If so please check out the APA Grad Guide to gather ideas and start planning.