I don’t normally restart my work box that often. Its a pain to wait for all of the services to get up and running (apache(php), tomcat(java), Ecliplse, 4 browsers, etc). I usually have to kill Firefox towards the end of the day and restart it to make it speedy again. I didn’t restart it for the last 2 days and thought I would document the first time I’ve ever seen FF3 use over 1gb of RAM with only 4 tabs open. Hopefully the next v3.1 update will help fix some of the apparent memory leaks.