PDO has shipped versions of its TopSkin case for the fourth
generation iPod nano and second gen iPod touch.The US$19.99 TopSkin
for the touch
(http://www.pdostore.com/index.cfm?fuseaction=product.display&product_ID=486)
features protection, literally covering the entire device except for
the screen and sensor.

The dock connector and earphone jack are covered by protective flaps
while the home, power, and volume buttons are covered by a
play-through design. The TopSkin edges feature a micro-texture
pattern for additional grip. A full frontal film screen protector and
lanyard will be included with each TopSkin. The TopSkin for the iPod
Touch 2G is available immediately in black, blue, pink, or white.

The TopSkin for the iPod nano 4G
(http://www.pdostore.com/index.cfm?fuseaction=product.display&product_ID=480)
features cut-outs for the screen, clickwheel, and bottom. Each
package will include a lanyard, film screen protector, and film
clickwheel protector. They’re available immediately in black, blue,
pink, or white for $14.99.