I was right! Target!
Here ya go...this should make the shopping easier...
http://www.target.com/gp/registry/registry.html/ref=cm_cw_sr_1/601-7664308-3990524?ie=UTF8&type=wedding&id=3UEOREVJC84ED&jsebd=1
Darn, you can't get the napkin holders online. $1.99 was in my price range.