Welcome to the LinuxMint Community!
There is a lot of useful information for new and not-so-new users here -> viewtopic.php?f=60&t=38355&start=20
We have a Community site http://community.linuxmint.com/
For real-time help and discussion there are IRC channels,open MintMenu>Internet>XChat and you will be automatically connected to #linuxmint-help and #linuxmint-chat
Enjoy the Minty goodness!