I found a cornicopia of answers regarding security and the WRT54G, but none that really fit my situation. We have a 5 floor hotel with a WRT54G on every floor.
Since no guest is the same, and no notebook is the same I am not sure what type of encryption to setup so as to accomodate everyone. I would hate to use something that someone's laptop doesn't support. I just need something that will accomodate as many different types of scenarios as possible.
Here are the types of encryption that the WRT54G offers me: