I have a couple of things to add to the 50th wish list:
1. If it is to be a series of episodes, is there any chance we could have one written or at least co-written by Terrance D1cks. If it is a true love letter to the fans, what better way to do this than to infuse it with the spirit of Classic Who!
2. Two words; Ian Chesterton. The link to the very first episode. He must be in there somewhere.
I love both of those - but they'd have to retract what Sarah Jane said about Ian and Barbara not having aged a day