Very good site for cloud applications like : Gmail, GReader, and best Search Engine on the web. Google also has a fast web browser called Chrome.
Another very fast web browser based on Chromium/Chrome is available at titook.net.
Google with Fire Fox is the BEST OUT THERE!!!
WOT / NO SCRIPT / AD BLOCKER PLUS / SPYBOT S&D / AVAST
I have never had a problem with any VIRUS OR MALWARE other than the EUA's (End User Agreements)
EUA's will install SPYWARE, But you agree to this.