I have together with Toke Aidt (Cambridge) and Christian Bjørnskov/Gert Tinggaard Svendsen (Aarhus) co-edited a festschrift in honour of our friend, colleague and mentor, professor Martin Paldam, who turned 70 last year. It was published as a special issue of "Public Choice", and Bjørnskov has blogged briefly about it at my old blog, Punditokraterne.
Keep up the good work, Martin!