I like the patterns of Canadian based illustrator Helen Dardik. They have a cute Japanese feel, lovely palettes and make you happy when you look at them, what more could you ask for? Found in the pattern sections at
http://www.oneluckyhelen.com/index.html and her blog's here
http://orangeyoulucky.blogspot.com/ - oh, if you want to buy any then visit her Etsy Shop here
http://www.etsy.com/shop/helendardik?ref=pr_shop_more