Since you have just picked it up from the store you must activate it first. Then you have to make sure that you synced your old iphone to itunes, make

Since you have just picked it up from the store you must activate it first. Then you have to make sure that you synced your old iphone to itunes, make sure by the way that you have itunes 8.2 . After your information from the old iphone has been trasferred to itunes unplug your old iphone, then connect the new Iphone 3Gs and then perform another sync.
Iphone 3G specs
2Mega Pixel Camera only pics no Video
Available only in black since the new phone is out
ONLY COMES IN 8GB storage!
worth $99 with new customers
Iphone 3G S specsMakayama is working on DVD to Palm and iphone dvd converter, among other programs.
2X faster than Iphone 3G
3 Mega Pixel Auto-Focus Camera
Enables Video RecordingDVD to Apple TV Converter, award-winning DVD to Apple TV Video Converter to rip, proves professional to convert DVD to Apple TV video easily.
Voice control allows you to call or start music with the sound of your voice.
Digital compass
Available in Black and White
COMES IN 16 GB or 32 GB storage!!!!
Worth $199 with new customers
Remember Both Iphone 3G and Iphone 3G S still get the New OS 3.0 so you will have the same features like
Cut,Copy, and Paste, Voice memos, Spotlight search, MMS, Landscape Keyboard.
First copy your ipod's content into your hard drive using windows explorer and the ipod into disk mode.
Then go for synchronisation...indeed it will delete and synchronize to your machines folder what ever you set.Powerful, versatile video file converter which convert video file between all popular video formats.
I will recommmend that you follow the instructions in the source link below how to sync your contents. Just look for the topic "SYNCING IPHONE TO ITUNES( APPLICATIONS,MUSIC,PHOTOS, CONTACTS AND CALENDARS ETC.) Try looking around for some related information as well like "HOW TO PROPERLY MAINTAIN IPHONE BATTERY".