Thinking of getting one PDA?

As i'm a person who is organized in chaos which only me that know what put where, others don't : ( this is a challenge to those who need information fast and when I'm not presence. in order to help, hubby get me a PDA with the hope that I'll store informations inside especially those contacts. and I will only use quality handy-dandy gadget. as life is getting mobile, i think we gotta be more organize in handling and storing all sorts of details & informations.