Chrome has become my prime browser on my mac now.
Firefox has just lost their way. It is the same old web browser story. Someone takes the lead, because bloated and slow and someone else steps up and fills the void.
From netscape to ie, back to netscape back to ie, to firefox and now to chrome.
I don't know how all browser developers eventually lose their way. I am sure Google will with chrome at some point as well. They become future burdened, bloated, and ultimately massive memory hogs.
Going to chrome was a blessing because I got tired of firefox requiring a complete shutdown to free up memory. Facing memory leaks on it in windows and mac for years, I was just so glad to move past it.
I never could get into safari on the mac. Just not my cup of tea.