I'm guessing if she is going to be doing a lot of Word Processing a Netbook would not be a good option.
For a full-sized laptop I like the Levenos (formally IBM) on the low-end.
Check out -
http://www.tigerdirect.com/applicati...719&CatId=2289
or a little more to get Vista Premium -
http://www.tigerdirect.com/applicati...720&CatId=2289