this guy made optimized versions of Firefox and Thunderbird using MMX, SSE, SSE2, SS3, and for a couple of more cpu instructions. so anyone feel like testing them and checking to see whether they are faster than the regular firefox or not?
pfff. Opera has everything i need. extensions just increase memory usage and slow down load time. Opera also has UserJS which extends functionality by a huge margin. i also found CustomizeGoogle and Googlepedia for Opera .
but let's not get this too off-topic. someone test the builds.