svn - subversion server vs. network repository access through tortoise -

My team currently has 5 developers and we all give access to a repository through a shared drive on Computer X which Is on our network. Since we all have access to Computer X, and we can manage who is and who does not have access to Computer X, we can manage who can access our repository.

My question is: If I am setting up a Subversion Server, do I have any functionality I already have?

1. Do I have the ability to track that a file is currently being checked out?
2. Can I gain the ability to do this? More than one person (single user A and B alone has a lock, another user can see that file) Give a lock?
3. Do I get any protection?

It seems that I do not, because, again, I already have a user / group / passwd without the control server.

Please tell me I am deciding whether there is no benefit to making the server or not.

Thank you, jbu

Yes, you will have a lot of advantage: Reduce the risk of losing!

See about docs (and warnings).