Here are the top 5 best iphone cases of 2012. These were rated in a poll to see what people like the best. All of these cases are great and will highly protect your iPhone.
5. Electrical Outlet iPhone 4 and 4S Case - This is one of those fancy unique designs. Walking out in public with this case could cause a stare or even a conversation. This case goes for $34.95.
4. Otterbox Defender Series Hybrid Case & Holster for iPhone 4 & 4S - You can get this case for $20.00 or less. this is not a rubber case, it is made of polycarbonate and light silicone layer. You still get that bounce effect if you drop it but the case in not meant to move around.
iPhone 4S Barely There Custom Case - This isn't the kind of case that's going to protect your iPhone more than other, but is damn cool to show it off! You upload any image you want and your case will be designed accordingly. These cases come with high quality and images don't fade off like other services. You can order a case for $35.
CandyShell Flip for iPhone 4S/4 - This is a really nice looking durable case, it has a gloss finish to the back and sides and also turns into a stand for the iPhone. The dock port and headphone jack are easily available and volume buttons work great with it. You can pick this one up for $34.95
1. iPhone 4/4s Bullfrogz Case - This is one best of a case! I would feel confident dropping my iPhone off a building with this. The case is all hard silicone and still manages to look great. The volume buttons are also protected and are easier to press. No port are blocked and the screen manages to not be blacked either. This case can take a lot of damage. This case goes for $34.99 and will protect your iPhone 4S for a lifetime.