Re: Why bother?
I've stuck with Firefox for many years, but it's not without it's problems, especially if you like to keep a lot of tabs open:
First they did not have a 64 bit version which would limit the amount of memory it could use to 3GB, then with the 64 bit version I run into memory fragmentation eventually slowing down the browser to a crawl - at least that could be sorted for a while by going to about:memory and clicking on the GC, CC, and 'Minimize Memory Usage' buttons.
Firefox Quantum fixed the memory fragmentation issue and subsequent slow down, but now the browser gobbles up RAM like there is no tomorrow. It simply looks like it NEVER releases memory, even when you close the tabs. Problem with this is that the buttons in the about:memory page no longer seem to help either. Only solution if you want to get nearly all of that memory back is to restart the browser.
Quantum is actually the major reason why I went from 16GB of RAM to 32GB of RAM in my new system. Kid you not lol.