32GB USB 2.0, has fast speeds.
There is another post for the "Cap'less" version:http://www.hotukdeals.com/deals/32gb-high-speed-25mb-s-read-10mb-s-/802897
But an extra £2 more, you can get 1/3 extra speed increase in read and write.
Specs from website:
Read Speed: 219x
Write Speed: 101x
What you could store…
Up to 8000 pictures @ 8 megapixel
Up to 12800 pictures @ 5 megapixel
8000 Minutes of MP3/WMA @ 128kb/s
Over 50 hours of Mpeg 4 (640x480px)