full text search in sql server

looks like sharepoint requires i install this.
i don't have much experience with full text search...anything i should watch
out for?
e.g. will is slow down my system as is indexes all the existing databases or
something?
thanks.
This short introduction may help:
http://www.mssql.com.au/kb/html/gmgx...psearch_articl
e_text&@.sa_id=59
"jason" <jason@.discussions.microsoft.com> wrote in message
news:1CF51B1E-376C-4C78-B51D-5DB004D52B92@.microsoft.com...
> looks like sharepoint requires i install this.
> i don't have much experience with full text search...anything i should
watch
> out for?
> e.g. will is slow down my system as is indexes all the existing databases
or
> something?
> thanks.
sql