There are still a few ide boards for sale.
Completed boards for 40 euros + shipping.
World wide shipping for 7 euros. Up to 250 grams, no tracking or insurance, priority airmail letter.
To Europe: 5 euros. With these prices, I can send packages that are over 30 mm in height, which gives more room for padding material than cheaper options where max height is 30 mm.
Mouse adapter price is 10 euros + shipping, 1 euros to Europe, to World for 1.40 euros, priority airmail 20..50 grams, typical delivery time is around one week (but not guarenteed).