The following are some of my favourite sites:

1. Amazon.co.uk - With very few exceptions, if it's sold by Amazon, and not one of the third party marketplace sellers, then if it's on the site it can be delivered to Spain. Spend just £25 to qualify for free delivery to Spain. And of course, if you're looking for gifts, there are no shipping costs for gift certificates, regardless of value.


2. Play.com not only sell the usual CDs, DVDS and games, but you'll also find Toys, MP3 Downloads, Tickets, Books, Clothing, Electronics, Computing, Software, Gadgets, Mobiles and Gifts, all with free delivery. Delivery to Europe will be charged in euros.
3. Game-Center.es is pretty much the first Spanish site I've come across that doesn't charge for delivery. This games site offers a good selection of PS3, XBox 360, Wii, DS and PSP consoles and games, mostly at a small discount over Spanish shop prices.


4. The Book Depository offers free delivery to nearly 90 countries worldwide on all their books. Currently, The Book Depository is able to ship 1.8 million unique titles (increasing daily), within 48 hours, from their fulfillment centre in Gloucester, United Kingdom. They are also able to arrange the reprint of over 300,000 out of print titles which, again, they can dispatch from Gloucester within 48 hours.


5. CD Wow offer a huge range of CDs, DVD's, Blu-ray, Games, Books and Cosmetics all with free worldwide postage. Expect to pay no more than £8.99 for UK top selling albums £10.99 for 2 disc sets). Site charges in pounds sterling.