We?ve tested seven silicone cases for the iPhone to date, ranging from offerings by big-named companies to those from newer, smaller ones. As with the fifth-generation iPod, Marware?s delivered the iPhone?s best early combination of protection and value for the dollar, while other companies have released more colorful or unique options. The options are BoxWave?s FlexiSkin ($33/$24), DLO?s Jam Jacket ($25), Incase?s?