You can install the client tools from the sql server 200 install disk. Sicne you have 2000 at work I am assuming you can put your hands on that. When you start the install it give you the option to instal sql server or the client tools only.
This will give you enterprise manager, query analyser, DTS (data transformation services) and a bunch of other sql related tools.
It will also install Books online (ofter refered to as BOL). Start by looking up backup and reading that.
You can also access BOL online, no pun intended at.
msdn.microsoft.com/sqlserver.
You need to backup and restore which ever databases you need to access at home.