Rear break summary

These are the parts, the bold text is what I've been looking for. The other models have the same part and will work equally.
Disc. From VW Sharan 96-/Seat Alhambra 96-/Ford Galaxy 95-00
Caliper. From VW Golf 92-98 (1.6i, 1.8i, 2.0i)/Seat Toledo 92-98/VW Passat 93-96/VW Vento (1.6i, 1.8i) 92-98
Caliper bracket from a VW Passat 97-00 (3B2 or 3B5)/Audi A4 97-01/Audi A6 98-04 (note that these calipers will not work)
-- Note that I used the brackets from another pair of calipers as the ones I wanted to use wasn't complete (brackets missing). I think though that the brackets are the same if you find Golf-calipers that are complete.
Hose. Audi A6 94-96/Audi 100 87-94
Pipe. Approximetly 550 mm of length
Bolts 10.9 M10/1.25. The calipers are threaded for these
Bolts 8.8 std M10. For the adapter
6 mm steel plate. For fabrication of the adapter.

The parking brake cables are the old ones. The spring is removed in the drum brake end and an 80 mm extender is added in the front end, made by a 15 mm copper pipe (plumbers stuff).

Here's the routing of the hose/pipe. I made a rock solid holder that is mounted by the upper bolt for the adapter. The hose is fixed with a stainless hose clamp. Much better than those crappy clips.

For you Scandinavian guys who have access to Biltema, use following part numbers:
Discs - 64-357
Calipers - 66-5069/66-5068 (the brackets are from 66-5010/66-5011)
Hose - 66-346
Pipe - AA-0560 or similar