How many web browsers you know? FF, IE, NS (defunct now), Opera, safari..?
Well here is an exhaustive list of browsers.

My choices:

In terms of startup time (chronological order)
K-meleon
Chrome
FF
IE

In terms of customization options
FF
other browsers yet to catch up

Look & feel
FF
Opera (comes close second considering its not an open source)

Page render time
K-meleon (amazingly this browser loads google search much faster than google Chrome :) )
Chrome
FF
IE