Huge selection depending on # bolts (4 vs 5 or wide 5), VW pattern or Porsche 911 (can get blank or custom drilled rotors/drums or adapters), 15" or other?, width desired/offset (most 5 1/2" will work depending on tire selection - wider probably not unless different offset).
So your choice is from simple chrome (Mangels) steel with nipple logo'd hub caps to OEM 914 Fuchs/Mahle/Pedrini alloys to numerous aftermarket VW (American, Western, Minilite, Centerline, etc)to 911 Fuchs/Mahle/BBS. So from $200 a set to over $200 per wheel. Also be sure to get the proper lug bolts!
Somewhere I have a link to several pages of 4 lug 15" VW wheels with pictures -- I'll find and post.
Here's one link but not the best:
http://www.pelicanparts.com/techarticles/914_wheel_types/914_wheel_types.htm