This seems like a great price for a 2GB SD card. It is £13.51 delivered from Savastore.
Now Edi posted one the other day which may be worth a look as well, the 2GB one from Veho - compare them before you purchase.
Details: Join the many schools, consumers, businesses and government groups that use Kingston's standard Secure Digital cards when using SD-enabled devices. With the built-in write-protection switch to prevent accidental data loss, Kingston's legendary quality assurance and affordable price - you'll get peace of mind and the best price-to-performance value.