Once you get used to the interface, you'll do things a lot faster.
Load it up at home, and go for it. There are some nice add-ins as well, such as save as pdf/xps
, microsoft math
, as well as Get Started tabs
for walking you/new users through the features.
Additionally Office 2007 comes with some nice additional apps, like groove and one-note.
As long as you have 1Gb or more ram, it'll work fine.