You are right, Network is a wonderful source for many TV series. One rare series, no longer in print is the 60s Adam Adamant Lives!! IT's a box set of all know episodes, and all though incomplete is much better than none!!
I have always loved the quirkiness of the British mindset. Ans a big fan of many of the Powell Pressberger productions The Red Shoes, Colonel Blimp, Black Narcissus, Tales of Hoffman. My introduction to the Ealing Studios was a BD box set that included the Titfield Thunderbolt, The Maggie...