I tend to wander off on a tangent. Normally this results in me middle-clicking my way into an overwhelming sea of pubmed tabs that I revisit and sort through when I go to close my browser. The problem I have found is that my Mac Mini 2009 (Core Duo 2 Ghz 4 Gigs RAM, Nvidia 9400) is less efficient at browsing multiple tabs than my PC. Granted my PC has newer specs, but the memory footprint is different. It seems that the Mac version of Firefox is less efficient when it comes to opening up tabs than the PC. I will find that Firefox on my Mac is nearing 2 gigs of RAM and causing the machine to swap, whereas on my PC it never has had this problem. Is this my imagination or does anyone else have this problem?