You don't know what an iPhone is? Perhaps it is time you learned to use google. Google
For editing your ringer sounds, read this: How do I edit my notification tones (profiles)? - BlackBerryFAQ
The RIM BlackBerry cases sold by most carriers are good enough. Several vendors, such as Seido and Forte sell nice cases. Check the sponsor section of this forum.
As far as snapping a picture of your wife, watch your finger on the side conveniene key.
For your adding Addess Book contacts into categories you are just simply making it way too complicated. Don't enter your contacts more than once. Then assign the filter category, and contacts may have more than one category.