there are several things I saw there of course very starting with a Car Windshield Cradle on sale for $8 that is the man thing I want if some of the other stuff works out great if not fine. but I like here from somebody that tried them
http://www.hdaccessory.com
Remove IPHONE3G-CRADLE-360 Easy Attach Windshield Cradle Mount for Apple iPhone 3G $7.95 $7.95
MINIHOLDER Dash or Air Vent Mount Car Holder $2.95 $2.95
FLY-HOLDER 4-Way Adjustable Auto Windshield Multi-Mount Holder $9.95 $9.95
IPHONE3G-FIBER-BLACK Carbon Leather Hip Case and Screen Protector (Black) $9.95 $9.95
IPHONE3G-SHOW-CLEAR Acrylic Shell Case with Kickstand and Screen Protector for Apple iPhone 3G (Clear) $6.95 $6.95
IPHONE3G-POLYCLIP Polycarbonate Holster Belt Clip and Screen Protector for Apple iPhone 3G $4.95 $4.95
STYLUS-BLUE True Touch Stylus Pen (Blue) $6.95 $6.95
Remove DASHMAT Non-Slip Dash Mat $1.95 $1.95
http://www.hdaccessory.com
Remove IPHONE3G-CRADLE-360 Easy Attach Windshield Cradle Mount for Apple iPhone 3G $7.95 $7.95
MINIHOLDER Dash or Air Vent Mount Car Holder $2.95 $2.95
FLY-HOLDER 4-Way Adjustable Auto Windshield Multi-Mount Holder $9.95 $9.95
IPHONE3G-FIBER-BLACK Carbon Leather Hip Case and Screen Protector (Black) $9.95 $9.95
IPHONE3G-SHOW-CLEAR Acrylic Shell Case with Kickstand and Screen Protector for Apple iPhone 3G (Clear) $6.95 $6.95
IPHONE3G-POLYCLIP Polycarbonate Holster Belt Clip and Screen Protector for Apple iPhone 3G $4.95 $4.95
STYLUS-BLUE True Touch Stylus Pen (Blue) $6.95 $6.95
Remove DASHMAT Non-Slip Dash Mat $1.95 $1.95