Design tutorial: Photoshop & illustrator

Photoshop

http://www.reencoded.com/2009/06/10/45-awesome-photoshop-website-templatelayout-tutorials/

http://vandelaydesign.com/blog/design/website-layout-photoshop-tutorials/

http://sixrevisions.com/web_design/40-useful-photoshop-web-layout-tutorials/

illustrator

http://www.smashingmagazine.com/2008/02/05/illustrator-tutorials-best-of/

http://www.1stwebdesigner.com/tutorials/fundamental-illustrator-tutorials/

http://www.blog.spoongraphics.co.uk/articles/50-illustrator-tutorials-every-designer-should-see