I'm glad you like it.
Now that you've had some time with it, check out this page for some add-ons.
https://addons.mozilla.org/en-US/firefox/
People have made just about anything you need as an add-on for FireFox.
A couple of my favorites that I find handy everyday:
Forecastfox
https://addons.mozilla.org/en-US/firefox/addon/398
GooglePreview
https://addons.mozilla.org/en-US/firefox/addon/189
FlashBlock
https://addons.mozilla.org/en-US/firefox/addon/433