Here i have some useful links that i came to know form my seniors, boss, and from google Dai also 
hope it might help you:
better comparision of fonts.
http://www.apaddedcell.com/web-fonts
http://www.peachpit.com/articles/article.aspx?p=24011&rl=1
wanted to share you these basic guidelines that will help each of us become more professional by the day !
enjoy !
http://www.ffnn.nl/pages/articles/media/png-optimization.php
PNG
http://www.useit.com/alertbox/screen_resolution.html
will be useful to look at all the needs and no needs of sign up forms and how user interface helps our websites…
http://www.readwriteweb.com/archives/good_ui_design_make_it_easy_show_me_you_care.php
read about best practises and stories about coding/design/programm…
http://www.codinghorror.com/blog/archives/001079.html
http://developer.yahoo.net/blog/archives/2008/03/yahoos_latest_p.html
look at taaz.com
what people have done with technologies…
what have YOU done recently ?
top 10 application development mistakes (and tips )
http://www.useit.com/alertbox/application-mistakes.html
at the bottom of the article are other tips too.. I enthusiastically recommend reading them all.
http://sixrevisions.com/resources/20_websites_better_web_developer/
about design.
http://www.lukew.com/resources/quotes.asp
http://www.techcrunch.com/2008/03/03/six-apart-introduces-blog-design-for-dummies/
competing blogging softwares are trying to make theme additions simpler to accomodate growing market for customizability.
check it out .. useful when developing themes..
http://mediazeal.com/colorthemes.html
good use of spacing..
http://make.pingmag.jp/2008/02/06/hakuhodo/
Clean XHTML Coding.
What Clean Code Looks Like
