Here's a listing from amazon.com for the Haug no 2 at the perfectly reasonable price of US$19.99:
http://www.amazon.com/gp/offer-listing/B001PC5MNM/ref=tmm_other_meta_binding_used_olp_sr?ie=UTF8&condition=used&sr=1-6&qid=1426187418Relm1, are you SURE CDs of the Haug symphonies are available for purchase via the link you posted? I'm still pretty unhandy at finding my way around the web sometimes, so it could be I'm just being stupid, but I haven't been able to make the right connections so far. If I could get it to work I would certainly purchase the fifth (or fourth and fifth, as the case may be).