Sibler has some very nice baking pans - pricey, though.
http://www.siblershop.ch/index.php?c...-c-179_287_346
I've never ordered on-line from them, I usually go to the store in Zürich.
Kaiser Backform also makes some good spring form pans; you can find these at a Manor or Globus. Such as their La Forme Plus series:
http://www.kaiser-backform.de
I've not seen a sheet pan here. Odd, because one finds roulade type cakes here in every bakery. I cheated, and ordered from Williams-Sonoma in the US - check your oven size first, though!