The 2nd edition of the Saterfriesisches Wörterbuch by Marron Curtis Fort has now been published. It consists of 25.000 entries, lots of example sentences and etymological hints. It is an indispensable tool for Frisian and Germanic studies.
The price (in view of 819 pages and a CD-ROM) is quite moderate: 68,00 €.
It can be ordered here.