I didn't see many people order Macbook from Amazon while they can do it directly from Apple Store.
[1] http://www.amazon.co.uk/Apple-iPod-nano-16GB-Generation/dp/B...
[2] http://store.apple.com/uk/browse/home/shop_ipod/family/ipod_...
(That Amazon link doesn't include shipping but that's only an extra £3.99, so still considerably cheaper, and I'm sure when I bought mine it had free shipping... could be wrong, though.)