RadioReference.com Forums

Group,
I'm very new to this and very intrested in it. I searched the forum for a beginners guide but didn't really find one. If someone could point me to an easy one, that would be appreciated. Also, I want to start trunking. I heard that some new Bearcats can pick up transponders from police radios. Anyone know what models offer that?
Thanks for the help,
Mike B.