Share 'What 3 devices can you not live without?'

I am thinking about changing up my go to gadget list and am very interested to see what other women are using. Here's my list, please give feedback and share your ideas 1. Palm Treo 680 (I love the simplicity of Palm OS but I am getting really tired of the same old interface. I've been using it since 1998 and am starting to wonder what else is really out there) 2. 30 GB Zune - I know that I am…