I was looking around for a couple of good class 6 sd cards for my panasonic hd camcorder and came across these.They are pre-order for the 21nd May but look good.
Value Pack: Contains 1 x 8GB and 1 x 4GB
Please Note: Please check the device you are buying this card for is SDHC compatible. SDHC cards are not backwards compatible with standard SD Host devices, however standard SD cards are forward compatible with SDHC host devices
Designed for SDHC compatible host devices
Class 6 SDHC
SDHC memory cards are just as compact and slim as the standard SD card
5 year warranty
Play.com SDHC has a high storage capacity (4GB upwards) and fast data transfer so that you can store your digital content such as high-resolution photos, high definition videos and more without the restrictions of memory card size and data write-speeds of the past.