some more links:

Michael Garland's page. Professor at University of Illinois and a research scientist for NVIDIA. has some great papers on computer graphics and some nice utilties
http://graphics.cs.uiuc.edu/~garland/home.html

some nice tools
http://philliphansel.com/tools/free_tools.htm

lots of tools for programing/development, artwork, modeling sound etc. incuding many free packages
http://www.bakhter.com/html/main/3D-Designer.html

Some models / modeling links:

http://merkur01.inf.uni-konstanz.de/CCCC/

http://www.3dlinks.com/links.cfm?categoryid=9&subcategoryid=91

http://www.squawkrpg.net/fga/fmp.php

http://www.planit3d.com/source/software_files/3dmod.htm
Lightwave UV textureing tutorials
http://www.borderequals0.org/articles/uv_intro.cfm
Mapping magician UV mapper
http://www.royriggs.com/mapmagic.html

http://members.fortunecity.com/wendhausen/BRStarshipsv3/index.html
UV mapping with blender
http://biorust.com/index.php?page=tutorial_detail&tutid=85
VizUp poly reducer ( i use this one the most for poly reduction)
http://www.vizup.com/load/index.html
ppModeler
http://www.ppmodeler.com/index.php
Wings 3D tutorials
http://www.geocities.com/paulthepuzzles/aardvarks.html
Very nice low poly character modeling tutorial
http://www.3dtotal.com/team/Tutorials/benmathis/benmathis_1.asp
3D lapadary, models of gems
http://www.3dlapidary.com/Home.htm
CADwire.com links to 3d models
http://www.cadwire.net/directory/dir.asp?/Computers/Software/Graphics/3D/Models/
Psionics website. lots of good stuff from this guy all the time
http://www.psionic3d.co.uk/news.php
Baumgartan Models
http://www.baument.com/archives.html
Lots of resources:
http://www.fignations.com/resources/home.html?page=/resources/ndo.html
quake2 modeling studio
http://www.quake2.com/modeling/


Blueprints/images sites for modeling

good blueprints here
http://www.the-blueprints.com/
photos of modern weapons
http://www.bdlltd.com/military_firearms%20MODERN.htm
korean war weapons
http://www.rt66.com/~korteng/SmallArms/arms.htm#weapons
Aircraft museum lots of aircraft 3 view images with referance photos
http://avia.russian.ee/index2.html
Suurland blueprints
http://www.suurland.com/
the human skeleton
http://www.bio.psu.edu/people/faculty/strauss/anatomy/skel/skeletal.htm
Lots of referance iamges of aircraft
http://airpower.callihan.cc/
lots of blueprints
http://www.3d.sibiul.ro/blueprints.php
Siege engine blueprints
http://198.144.2.125/Siege/Blueprints.htm
Starship blueprints
http://www.shipschematics.net/
robot prints
http://www.geocities.com/deepstrikr/paints.html