GizzmoHeaven is currently offering five - count 'em, five! - SanDisk 8GB class 4 microSD cards for £12.99, that’s 56.7% - or £17 – off the RRP of £29.99. Can’t argue with that.
Estimated read and write speeds of 15MB/s and 9MB/s respectively.
(Thanks to Hart1985 at HUKD)