iPhone 3G [S]

My iPhone is driving me crazy.. I dunno whether i wanna buy some accessories :( I just cant make up my mind! Can anyone help me? Suggestions?
Here are the links :

http://www.sgpstore.com/product_info.php/cPath/21_28_65/products_id/309?osCsid=20dcd12d95b82c1bf860845a10d240d8

http://www.sgpstore.com/product_info.php/cPath/21_28_65/products_id/655

http://www.sgpstore.com/index.php/cPath/21_28_65

That's all for now.. Buhbye

<3yeanli