TBH if you are gonna to use the card heavily then you may be better off paying a little more for it but then we get our camera/ phone memory cards from here
http://www.mobymemory.com/512mb_MMC_...ile_phones.asp
and here
http://www.7dayshop.com/catalog/defa...Path=777_4_401
and have had no problems with them at all.One of the cards we have is over 12 months old and gets used quite often as it's for the digital camera