I am an avid tea drinker, but can't help you with online sources. One of my favourite teas is "Russian Caravan" it has a very smoky taste and I really love a good English Breakfast. Still can't get the taste of Green Tea, but in summer drink a few fresh herbals....lemongrass is lovely and one of the safer herbals to experiment with. Used to give my children Chamomile Tea sweetened with honey before bedtime when they were small.