This is what I use on my 3rd gen 8gb,
http://www.argos.co.uk/static/Product/partNumber/5141995/c_1/1|category_root|Home+entertainment+and+sat+nav|14419512/c_2/3|cat_15701190|iPod+and+MP3+accessories|14419709.htm?engine=froogle&keyword=Belkin+iPod+Charger+-+White.&_$ja=tsid:11527|ccprd:5141995|cat:home+entertainment+%3E+ipod+and+mp3+accessories+%3E+ipod+adaptors%2C+chargers+and+cables
Excuse the mega link.
Any generic mains to USB adapter would do as well, then just plug your normal dock cable into it. For example:
http://www.play.com/Electronics/Electronics/4-/5890478/-/Product.html
£22 ? how about £2.69 delivered
http://www.7dayshop.com/catalog/product_info.php?products_id=108196
Not genuine, but as good as. Bought myself the 'in-car' one for my iPhone a few days back![]()