I’m currently trying out the Chrome browser from Google. Very nice so far, however, pros and cons for each so far are:

Firefox:
Pros–

• TwitterFox
• Delicious
• Ubiquity
• ScribeFire

Cons–

• Memory hog.

Chrome:
Pros–

• Pretty (in a minimalist sort of way)
• Fast
• Relatively lightweight (in a 2008 application sense, not in an absolute program sense)
• Special about: pages

Cons–

• Looks like some Facebook functionality does not work. I think mostly involving Facebook apps.
• Fails to render secure sites that are lost in the IE vs. Netscape 4.x days. Wouldn’t be a huge downside if I didn’t actually know of one that I use regularly.