Thought you should know that I am an awful tea snob. I inherited this from my parents, who carry their own tea when travelling, lest they have to drink Assam or worse, Malayasian tea (oh, the horror!)
Darjeeling first or second flush, no milk and very little sugar. Water on tea, not tea in water. And yes, absolutely no boiling.
For tea with milk, the fall flush, which has a more robust, muddy flavor. And by milk, I do mean a spot, really.