Default Task Manager View
Extra Nerd Info
Comes with DOM Inspector integrated through right-clicking on an element on a page. This is a tolerable trade-off from View Selection Source.
Integration of my favorite firefox add-on.
Gears/Prism style integration
Gears comes with it. The second I logged on to rememberthemilk it started asking for verification. With a few clicks, I now have a link on my desktop to load rtm in offline mode.
Places style front page
There is a firefox development that does this, but, looks like Chrome beat them to it.
Chrome Default Home Page