No, I just save them as I come across them. There's a lot of good stuff collected here that you can browse by topic area:
http://www.faa.gov/regulations_policies/advisory_circulars/
Here's a list of some commonly referenced AC's and other's I've picked up.
AC 60-22 Aeronautical Decision Making
AC 60-28 English Language Skills
AC 61-65e Certification of Pilots and Flight Instructors
AC 61-67c Stall and Spin Awareness Training
AC 61-84b Role of Pre-Flight Preparation
AC61-98A Currency and Additional Qualification Requirements
AC90-34 Accidents Resulting From Wheelbarrowing in Tricycle Gear Airplanes
AC 90-42f Traffic Advisory Practices at Uncontrolled Airports
AC 90-48c Pilot’s Role in Collision Avoidance
AC 90-66a Recommended Traffic Patterns at Uncontrolled Airports
AC 91-13 Cold Weather Operation of Aircraft
AC 91-55 Reduction of Electrical Failures Following Aircraft Starting
AC91-63b Temporary Flight Restrictions
AC 150/5340-1 Standards for Airport Markings
AC 150/5340-18 Standards for Airport Sign System
AC 150/5340-30 Design and Installation for Airport Visual Aids
Order 880.6 Conduct of Airmen Knowledge Tests
FAA-H-8083-1 Aircraft Weight & Balance Handbook
FAA-H-8083-3 Airplane Flying Handbook
FAA-H-8083-9 Aviation Instructor’s Handbook
FAA-H-8083-15 Instrument Flying Handbook
FAA-H-8083-25 Pilot’s Handbook of Aeronautical Knowledge
FAA-S-8081-4 Instrument Rating Practical Test Standards
FAA-S-8081-6 Flight Instructor Practical Test Standards
FAA-S-8081-12 Commercial Pilot Practical Test Standards
FAA-S-8081-14 Private Pilot Practical Test Standards
It's also nice to know a bit about maintenance techniques sometimes, which can help identify problem areas or acceptable/unacceptable repairs.
AC 43.13-1 Acceptable Methods, Techniques, and Practices - Aircraft Inspection and Repair
AC 43.13-2A Acceptable Methods Techniques and Practices - Alterations