Been through lots of these and now here are some opinions. Like the iPearl for MacBook, there are lots of cases, but I think some clear winners. The first a tempered glass screen protectors. Expensive, but way better than the plastic sheets.

### Screen Protectors

We've tried the Luvvitt tempered glass ($20 from Amazon) and it really works. No weird artifacts on the screen. others just love the Tech Armor version at$16 from Amazon . They are way more expensive, but in particular the screen protector is really worth it as is the total simple Clearview case.

### Cases

One of the few cases that really lets the iPhone's minimal design shine through, Luvvitt's Clearview case is fully transparent with a hard, clear, scratch resistant back and flexible shock-resistant TPU sides that provide a nice thick lip to protect your screen from impact. $20 at Amazon and also$20 from Rakuten, so you can use the same discount through click through to get an extra 4-18% off as well as the 1% rebate for their club.
If you balk at blocking out your iPhone's beautiful design with a case that covers it up, the Poetic Atmosphere is durable, yet transparent, so all that gorgeous Apple design goodness shines through. You can choose from gray, red, or yellow accents.
via The Best iPhone 5s & iPhone 5 Cases - Luvvitt Clearview - Slideshow from PCMag.com.
Speck Smartcase. This is a wallet that holds three credit cards and some money. Perfect for those of who lose things. eBags strangely is a great place to buy. They have 20% off regularly and with the various bonus malls, you can often get 4:1 on the dollars you spend.