I have 15" SA Alloy rims on my '91 Carat Vanagon.  I am running BF Goodrich
TAs that are 215 65 R15.  I love them!  Got the tires from www.tirerack.com
for like $85 each plus shipping.  Got the rims from me :)

Thanks,
Ken Wilford
John 3:16
www.vanagain.com
Phone: (856)-765-1583
Fax: (856)-327-2242