Caring for Kids - Information for parents from Canada's paediatricians (http://www.caringforkids.cps.ca/)
Be a fun mum - a blog with lots of useful resources (http://beafunmum.com/)
SelfGrowth.com - a lot of advice and ideas for self improvement (http://www.selfgrowth.com/)
Parenting.com (http://www.parenting.com/)