There's a small tea retailer in the UK, What-Cha.com, and the owner does a "mystery tea" option which he uses to get rid of slower-moving teas, or teas he might have had to buy to get a better choice on a tea he wanted to get from a wholesaler. Or sometimes teas he just wants people to try.

"Mystery tea" sounds dodgy, but it did a great deal to expand my horizons, because even these mystery teas were really, really good (far better than ANY grocery store tea in the USA) and opened me to teas I might not have otherwise tried.

I'm TOTALLY a snob importing teas from the UK...but what can you do? America is a coffee-culture country, not a tea-drinking place, and the local stores just have tisanes or crappy bottom-tier tea (basically, tea dust from processing higher grades of tea is packaged into teabags and sold in grocery stores--and people don't know how crap a tier of tea that is!)