Hi all I have a 2010 13" MBP with a 2.4Ghz Core 2 Duo and 4GB of RAM. I'm finding that scrolling through web pages using Firefox is feeling a little sluggish and jittery. In Safari the situation is a little better but not 100% smooth. Now, the power of the hardware should be more than sufficient to make Firefox work smoothly, so I really don't know where to go as far as fixing this. I'm finding that browsing is quite frustrating because of this. I am running Lion. Has anyone got any ideas what could be the issue? Does anyone else suffer from a similar issue in Firefox? Many thanks M.