^^.. This is a bad time to get CLASS 6 actually 'coz prices are up... Thankfully I already have SDHC CLASS 6 4GB Card laying around which I got for 200/- bucks in January.. :hap2:
There are only few listings @ eBay but for 8GB ones & if mediahome can get a good price then with eBay coupons it could be bought albeit for slightly more..
The class ratings are not as easy to judge as the appear to be. Class ratings specify the Minimum write speeds that the card supports. Very often you might find cards working much faster than the reported class ratings.
Having said that, it is still a very good idea to go for the highest class card that you can afford. I got me a Class 6 Transcend @ $13 for my Clip+