the taste of sour cream is sour
and the taste of sweet cream is sweet..
sour cream mainly is use to make cheese cake or put on the bake potato,.
and sweet cream is use to make fruit tart,fruit cake,with coffee..etc...
yes,wellcome and百佳 have both sour cream and sweet cream to sell,and the common brand of sweet cream is president,for the sour one,daily farm is okay.
below is the picture of the sweet cream,but this brand have not in 百佳/惠康..and i still think the brand president is better..
http://www.twinsco.com/images/312028.jpg