Here are some of my favorites on etsy right now. I just ordered that flower card from DesignLovely, and Rachel was sweet enough to mention it on her blog, Lovely Clusters. I'm also looking for a good wedding present for a friend, and I'm thinking about getting her letterpressed stationery like this or these.
Left (from top): Janet Hill Studio; DesignLovely; lonny; tushtush; The Pink Needle
Right (from top): Jen Skelley; high street market; sweet pea and fawn; new beautiful