Lots of folks keep asking me for UK prices and to be fair it does take a little work to find them (You need to start here and bring up this pop up)
Hence for simplicity, I have copied them here (as of Jan 29th 2010).
Note that there are several rates available. The following is “Windows Azure Platform Consumption”
Content Delivery Network (CDN)
Web Edition – Up to 1 GB relational database
Business Edition – Up to 10 GB relational database
North America and Europe regions
Asia Pacific Region
Inbound data transfers during off-peak times through June 30, 2010 are at no charge. Prices revert to our normal inbound data transfer rates after June 30, 2010.