Sites/blogs
Http://Britxbox.co.uk
Http://www.xnadevelopment.com
Www.interactivelaboratories.com
Http://machaira.spaces.live.com/
Http://www.xnaresources.com
Http://sharky.bluecog.co.nz/
Http://www.ziggyware.com
Http://www.codegeekswiki.com
Http://XNAtutorial.com
Http://www.threesixbox.com
Http://www.lonelygnome.com/website/
Http://www.xna101.net
Http://www.thehazymind.com/
Http://www.xnaworld.tk/
Http://www.nuclex.org/
Http://www.alanphipps.com/VisualBasicdotNET-XNA.html
Http://www.robmiles.com/xna/
Http://www.errolian.com/
Http://www.morethanicanchew.com/
Http://andyq.no-ip.com/blog/
Http://www.enddream.com/news.php (wildboarders game !)
Http://www.fatweb.org/blog/
Http://www.thezbuffer.com
Http://learnxna.com
Http://www.xnadevelopment.com/
Http://xna.tiddlyspot.com/
Http://exdream.no-ip.info/blog/
Http://jeffweber.spaces.live.com
Http://www.xna3way.com/blog
Http://xbox360homebrew.com
Http://www.360gamedev.com
Http://thegamedevspace.spaces.live.com/
Non-English sites:
Http://www.xnadev.cn Chinese
Http://www.dev360.de/news.php German.
Http://www.XNADev.ru Russian
Http://xna.animered.net/Spanish
Http://www.sharpgames.net Portuguese (Brasil)
Http://www.xna.pl (Polish)
Games
Rocket COMMANDER: http://exdream.no-ip.info/blog/PermaLink.aspx? Guid = 442152d0-a014-47de-b9b1-4e8aed1d9bd3
Simple overhead shooter game that uses per pixel collision detection, text rendering, keyboard input and mouse input: http://www.ziggyware.com/readarticle.php? Article_id = 50
Simple game that drops letters down the screen and you clear them by typing the character: http://www.ziggyware.com/readarticle.php? Article_id = 49
Http://www.bradleyjackson.net/xnabreakout.php (works with 1.0 ?)
Http://xbox360homebrew.com/photos/personal_project_screenshots/picture131.aspx
Http://www.peekpoke.fi/xna/asm02/
Ball race: http://www.nuclex.org/games/ball-race
Dr. Popper http://www.bluerosegames.com/dnn/
Grav sheep: http://www.fatweb.org/gravsheep/gravsheep.htm
Particle wars: http://mstum.iweb.bsu.edu/xna/particlewars/
Super stickman (Mario clone) http://pages.infinit.net/psycad/xna/superstickman.html
Slime Volleyball: http://www.codeplex.com/Wiki/View.aspx? Projectname = slimevolleyxna & Title = source % 20 code
Planet command (3D missystemic command-like Game) http://www.codeplex.com/Wiki/View.aspx? Projectname = planetcommand
XNa dominos: http://andyq.no-ip.com/blog? P = 15
XNa panic (similar to Lode Runner game) http://blogs.msdn.com/alainza/archive/2006/12/18/xna-panic-game.aspx
Misc/components
XNa magic
XNa physics: http://www.codeplex.com/Wiki/View.aspx? Projectname = xnadevru & Title = xNa % 20 physics % 20api % 20% 28xpa % 29
Sprite strip composer (http://www.ukmn.net/studio/SSC/SpriteStripComposer.zip)
Missystemic commandeer: http://brianleip.com/games.htm
Effect Generator: http://www.codeplex.com/effectgenerator
Quadtree component: http://www.codeplex.com/quadtreeload
Mercury particle engine http://www.codeplex.com/Wiki/View.aspx? Projectname = MPE
Farseer physics engine: http://www.codeplex.com/FarseerPhysics
Blogs
Http://jeffweber.spaces.live.com/
Http://www.xna3way.com/blog
Http://thegamedevspace.spaces.live.com/
Http://www.riemers.net/
Http://www.riemers.net/eng/Tutorials/XNA/Csharp/series1.php
Http://www.newsxna.com