Interesting Websites

http://www.teamviewer.com

Free no install needed Remote Desktop support tool. Navigates through firewalls. File transfer and chat built-in.

Logmein is nice, but requires you to log in to your logmein control panel and then install the IT Free software on the client's workstation or server.
 
why wouldn't one just use rdc?

RDC doesn't navigate firewalls without setting up portforwards ahead of time.
RDC logs off the current user, so you cannot show them what you are doing.
RDC isn't enabled by default in Windows XP Pro.
RDC (setting up desktop view) is only supported on XP Pro/Vista (no 9x/ME/2000 support).
 
RDC doesn't navigate firewalls without setting up portforwards ahead of time.
RDC logs off the current user, so you cannot show them what you are doing.
RDC isn't enabled by default in Windows XP Pro.
RDC (setting up desktop view) is only supported on XP Pro/Vista (no 9x/ME/2000 support).

Whoa, this is perfect to install on my mom's PC. Thanks man!