As you probably know the browser will make one request to a web page at a time. However if you have fast connection you can send more than one request by configuring the pipelines in Firefox settings.
Here is a nice step by step tutorial how to How To Speed Up Firefox if link doesn’t work check from here.

Note: This should be done only by broadband users.

Photofriday has a page which you can use to calibrate your monitor.

Jesse James Garrett writes at Adaptive Path about Ajax: A New Approach to Web Applications. A new cool way of asynchronous data retrieval using XMLHttpRequest and Document Object Model and JavaScript binding everything together.

According What kind of Web designer are you? I am:
“You are a Standards Geek. You dream of a world in which all Web sites are accessible on all devices, to all users. You know that, through the miracle of XHTML and CSS, good code can be combined with exciting design.
You’re truly one of those that are making the Web a better place, and although others may get fed up with your harping on about Firefox, it’s a black mark you can be proud of.”