Here are some personal recommendations broken down by category:

Web Design
A brilliant podcast is available from Paul Boag of BoagWorld - Visit the site here and subscribe to the podcast
Web Designer Magazine - www.webdesignermag.co.uk

Web browsers and handy applications
Firefox Web Browser - The best web browser out there and its free. Firefox is way better than Internet Explorer and safer too.
Stumble Upon - Excellent way of finding new sites based on your interests
Gamma Toggle - Downgrades your Mac gamma correction to look like a PC

Search Marketing including PPC
Aaron Wall's SEO Book - A veteran of Search Marketing, Aaron's blog gives good insights and handy applications
Matt Cutts SEO Blog - Matt is head of Google's web spam team
SEOChat.com - Excellent news site for SEO and subscribe to their RSS feed
Search Marketing Association - www.sma-uk.org

Other
www.apple.com/uk - Remember a PC isn't the only way to go. Mac's are easier to use, more stable and are 80% less likely to get a virus...
NFL News and Information portal - www.firstandgoalnews.com
Essex Spartans - Probably the best American Football team in Essex