WordPress MU

Hello
We have a number of different standard WP installs on the same server. They are all distinct, but it is a pain to keep them all updated.
Is Mu suitable for replacing them all - i.e. can DBs from a number standard installs be imported into one Mu install?
thanks for your advice

http://bavatuesdays.com/importing-a-single-wp-blog-to-a-wpmu-installation/