MemShrink has been going for a year. Snappy has been going for seven months. Both projects have made big improvements. You really should try a recent version.
Also, http://gs.statcounter.com/ suggests that Firefox's marketshare drop has flattened out and it's starting to grow again.
"Mozilla needs to focus on making its browser consume less memory and CPU when idle"
https://wiki.mozilla.org/Performance/MemShrink https://wiki.mozilla.org/Performance/Snappy
MemShrink has been going for a year. Snappy has been going for seven months. Both projects have made big improvements. You really should try a recent version.
Also, http://gs.statcounter.com/ suggests that Firefox's marketshare drop has flattened out and it's starting to grow again.