SOME HELPFUL ROCKETRY-RELATED SITES:

FLYROCKETS.COM  --  comprehensive rocketry information and links
RocketryOnline -- comprehensive rocketry resource
Ninfinger Productions -- large collection of rocketry information and links
Jim Z's site -- out of production kit plans and decals

National Association of Rocketry (NAR)
Tripoli Rocketry Association (TRA)
Southeastern Virginia Association of Rocketry (SEVRA) -- South Hampton Roads NAR club
Vikings Rocket Society -- Richmond-area NAR club

Meatball Rocketry building tips, scale data, & more! (freebie stuff)
Apollo Archive (excellent collection of NASA photos)
Apollo-Saturn Reference page
Peter Alway's scale data page (data, photos, and book information)
Jim Ball's scale data page (lots of links)
John Pursley's Scale Model page (resin kits, model info, & lots of tech info)
NAR Technical Services page (scale data CD, plans, tech reports)
NASA Image Exchange
NASA Technical Reports Server
Peter McQuillan's Little Joe I site
Rocket.Aero -- source for Little Joe I video/photos (and other DVD's)
Scaleroc -- scale rocketry discussion group
Spacecraft Films -- Very cool DVD's containing footage of real missions
Steve Roger's scale data page
White Sands Missile Range Archives --  Databases of photos and documents available to purchase

NAR Competition Page (plans, competition info)
Contestroc -- discussion group for rocketry competition
US Spacemodeling Team -- FAI (international) competition

Balsa Machining Service -- stock and custom components
BareMetal Foil -- resin casting supplies (I recommend Polytek EasyFlo 60)
Hillas Packaging -- 3M tapes (like #463 as recommended by John Pursley)
MicroMark -- modeling tools and resin casting supplies
Mr. Fiberglass -- EasyFlo 60 casting resin at a good price
Northeastern Scale Lumber -- Miniature half-round dowels and other mouldings
Plastruct -- source for various plastic shapes
Tango Papa Decals -- reproduction kit decals and custom decals

Aerospace Specialty Products -- rocketry components and kits
Apogee Components -- rocketry components, simulation software, technical reports  
Balsa Machining Service -- stock and custom components and kits
Sigma Rockets -- Black Brant kits and ARG kits
Discount Rocketry -- rocket kits, supplies, motors  
Mr. Fiberglass -- fiberglass, composites, & epoxies
PerfectFlite --  mini timers and an altimeter for staging/recovery
Performance Hobbies -- rocket kits, supplies, and motors 
Pratt Hobbies  --  bulk kits, cool accessories, kevlar shock cords, competition nose cones, etc.
Tango Papa Decals -- reproduction kit decals and custom decals