Here you will find a listing of all the professors and their research interests as well as thier e-mail addresses. Once you have figured out 4 or 5 professor's with whom you think you might like to work with, go talk to each of the professors and see what they have available. Try to envision buying a new car. Remember, part of what professors are looking for is initiative, someone who can be a go getter on their own. Once you've chosen a professor, find out what it takes to be a part of their research team.
Some professors have waiting lists.
These are just the ideas and things I've done.