SWITCH20
LEXAR 64GB MICRO SDXC UHS-I U1 CARD, works out to be £16.95 delivered after applying code SWITCH20 at checkout. MyMemory are a respected memory card seller in UK / Europe and I've ordered from them before without issue.
Exchange rate approximate using Google.
Credit to goonertillidie @ HUKD: http://www.hotukdeals.com/deals/lexar-64gb-high-performance-…