<< Can you easily change which options are available? >>
Yep, theres quite a few.
<< For example, can you prevent NEW logins? >>
Not that we know of.
<< can you remove some of the tabs on top of the screen )from the user view)? >>
Some.
<< Also, what was your installation/configuration experience, any problems? >>
None whatsoever...and It was simple. Ours is run with a Microsoft Access database system.